
Key: Personal Life; Historical Events; Legal Career; Political Career; Court Sessions.
1835 1840 1845 1850 1855 1860 1865
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| 1809 | |
| February 12 | Abraham Lincoln was born in Hardin County, Kentucky. |
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March 1 |
Congress organized Illinois as a territory with Kaskaskia as the capital and Ninian Edwards as the governor. |
| March 4 | James Madison took office as president of the United States. |
| 1811 | |
| Spring | The Lincoln family moved to a farm on Knob Creek in Kentucky. |
| 1812 | |
| Thomas Lincoln, Abraham's baby brother, was born and died. | |
| June | Congress passed a declaration of war against England marking the beginning of the War of 1812. |
| 1813 | |
| March 4 | James Madison began his second term as President of the United States. |
| 1815 | |
| Autumn | Abraham Lincoln and his sister Sarah attended school for a few weeks. |
| 1816 | |
| December | Abraham Lincoln’s family moved from Kentucky to Indiana. |
| 1817 | |
| March 4 | James Monroe took office as president of the United States. |
| 1818 | |
| October 5 | Lincoln’s mother, Nancy Hanks Lincoln, died of milk sickness. |
| December 3 | Illinois came into the Union as the twenty-first state, and Kaskaskia became the first state capital. The population of the state was 34,620. |
| 1819 | |
| December 2 | Lincoln's father, Thomas Lincoln, married Sarah Bush Johnston. |
| 1820 | |
| The population of Illinois was 55,211. | |
| December 4 | The Second Illinois General Assembly convened at the new state capital in Vandalia. |
| 1821 | |
| February | The Illinois General Assembly chartered a state bank in Vandalia, with branches in Shawneetown, Edwardsville, and Brownsville. |
| March 4 | James Monroe began his second term as President of the United States. |
| 1825 | |
| March 4 | John Quincy Adams took office as president of the United States. |
| October 26 | The Erie Canal opened. |
| 1828 | |
| January 20 | Lincoln’s sister Sarah Lincoln Grigsby died in childbirth. |
| Lincoln and Allen Gentry took a flatboat of cargo to New Orleans. | |
| 1829 | |
| March 4 | Andrew Jackson took office as president of the United States. |
| 1830 | |
| The population of Illinois was 157,445. | |
| The first state prison was built at Alton. | |
| March | Abraham Lincoln’s family moved from Indiana to Illinois. |
| December 9 | John Reynolds took office as governor of Illinois. |
| 1831 | |
| Cyrus Hall McCormick invented the McCormick Reaper. | |
| April-July | Lincoln took a flatboat of cargo to New Orleans for Denton Offutt. |
| July | Lincoln settled in New Salem, Illinois. |
| August 1 | Lincoln first voted in an election. |
| September | Lincoln became a clerk in Denton Offutt's New Salem store. |
| November 12 | Lincoln began writing legal documents for friends in New Salem, the first being a bond for deed for James Estep. Lincoln continued this practice until his admission to the bar in 1836. |
| 1832 | |
| March 9 | Lincoln became a candidate for the Illinois legislature. |
| April - July | Lincoln served in the Black Hawk War. |
| August | The Black Hawk War ended when the Sauk and Fox Indians left the Illinois lands that they had ceded in 1804. |
| August 6 | Lincoln lost his first campaign for the Illinois House of Representatives. |
| December 15 | Lincoln served as a witness in Close v. Ritter before Justice of the Peace John N. Moore. It is the first known legal case in which Lincoln was involved in Illinois. |
| 1833 | |
| January 15 | Lincoln and William F. Berry purchased a store in New Salem for $750. |
| March 4 | Andrew Jackson began his second term as President of the United States. |
| May 7-May 30, 1836 | Lincoln served as postmaster of New Salem. |
| August 12 | The Board of Trustees of Chicago met for the first time, marking the beginning of the legal existence of the town. |
| September-April, 1834 | Lincoln appeared as a defendant in four cases in Sangamon County Circuit Court related to the indebtedness of his and William Berry’s failed general store. |
| 1834 | |
| January 6 | Lincoln made his first known land survey. |
| [July] | While Lincoln was campaigning for the legislature for a second time, John T. Stuart encouraged him to study law. |
| August 4 | Lincoln won election to the Illinois House of Representatives. |
| November 17 | William Lee Davidson Ewing took office as governor of Illinois after John Reynolds resigned. |
| December 1-January 18, 1836 | Lincoln served in the Illinois General Assembly. |
| December 3 | Joseph Duncan took office as governor of Illinois. |
| 1835 | |
| January 17 | The formation of the First Judicial Circuit, which included Calhoun, Greene, Macon, Macoupin, McLean, Morgan, Sangamon, and Tazewell counties, became effective. |
| December 7 | A special session of the Illinois Legislature began in Vandalia. |
| 1836 | |
| March 24 | On record of the Sangamon County Circuit Court, the clerk entered Lincoln’s name as a person of good moral character, one of the steps necessary to obtain a license to practice law. |
| June 13 | Lincoln began campaigning for re-election to the Illinois General Assembly. |
| August - November | The First Judicial Circuit Court was in session. |
| August 1 | Lincoln won election for a second term in the Illinois House of Representatives. |
| September 9 | Lincoln was admitted to the Illinois bar by the Illinois Supreme Court. |
| October 8 | In the Sangamon County Circuit Court, Lincoln defended David Wooldridge in Hawthorn v. Wooldridge, his first case as an attorney. The jury found for Hawthorn. |
| December 5-July 22, 1837 | Lincoln served his second term in the Illinois House of Representatives. |
| December 12 | The Illinois Supreme Court began its session at Vandalia. |
| 1837 | |
| John Deere invented the self-scouring steel plow. | |
| February 24-25 | The Illinois General Assembly, House and Senate, voted to move the state capital from Vandalia to Springfield. Lincoln had been involved in the effort to relocate the state capital. |
| February 27 | The Illinois General Assembly approved the Internal Improvements Act. |
| Livingston County became part of the First Judicial Circuit. | |
| March 1 | The clerk entered Lincoln’s name on the roll of attorneys in the Illinois Supreme Court Clerk’s office. |
| March 3 | Cass County became part of the First Judicial Circuit. |
| March 3 | Lincoln and Dan Stone presented an anti-slavery protest in the Illinois House of Representatives. |
| March 4 | Martin Van Buren took office as president of the United States. |
| The Illinois General Assembly incorporated the city of Chicago. | |
| March-April | The First Judicial Circuit was in session. |
| April 15 | Lincoln moved to Springfield and became John T. Stuart’s junior law partner. They set up their law office in one of a row of newly built, two-story brick buildings known as “Hoffman’s Row” at what is now 109 N. Fifth Street. |
| May | During the Panic of 1837, the State Bank of Illinois suspended specie payments. |
| June | The Illinois Supreme Court began its session at Vandalia. |
| July | The Sangamon County Circuit Court was in session. |
| September-October | The First Judicial Circuit was in session. |
| November 8 | A mob killed abolitionist newspaper editor Elijah P. Lovejoy in Alton, Illinois. |
| December | The Illinois Supreme Court began its session at Vandalia. |
| 1838 | |
| January 27 | Lincoln delivered an address to the Young Men's Lyceum of Springfield, Illinois. |
| March-May | The First Judicial Circuit was in session. |
| July | The First Judicial Circuit was in session. |
| August 6 | Lincoln won election to a third term in the Illinois House of Representatives. |
| September-November | The First Judicial Circuit was in session. |
| October 12 | Lincoln successfully defended Henry Truett, accused of murder, in People v. Truett, a politically charged case in Sangamon County Circuit Court. |
| November 6 | John T. Stuart won election to the United States Congress as a Whig. |
| November 18 | The first locomotive in Illinois began operating on the Northern Cross Railroad at Meredosia. |
| December | The Illinois Supreme Court began its session at Vandalia. |
| December 3-February 3, 1840 | Lincoln served his third term in the Illinois House of Representatives. |
| December 3 | Lincoln was defeated for speaker of the Illinois House of Representatives. |
| December 7 | Thomas Carlin took office as governor of Illinois. |
| 1839 | |
| Springfield became the state capital. | |
| February 23 | The Eighth Judicial Circuit, which included Christian, Livingston, Logan, Macon, McLean, Menard, Sangamon, and Tazewell counties, became effective. |
| March | Sangamon County Circuit Court was in session. |
| March 3 | Dewitt County became part of the Eighth Judicial Circuit. |
| May-July | The Eighth Judicial Circuit was in session. |
| June 24 | Lincoln won election to the Springfield town board. |
| July | The Illinois Supreme Court began its session at Springfield. |
| September-December | The Eighth Judicial Circuit was in session. |
| October 8 | Lincoln was named a Whig presidential elector. |
| November 2 | After John T. Stuart left for Washington to assume his congressional responsibilities, Lincoln noted in their law office fee book: “Commencement of Lincoln’s Administration.” |
| December | The Illinois Supreme Court began its session at Springfield. |
| December 2-March 3, 1841 | Stuart served in the United States Congress. He remained in Washington for the rest of his law partnership with Lincoln. |
| December 3 | The United States District Court admitted Lincoln to practice law. |
| December 9 | The Illinois legislature met in Springfield for the first time. |
| 1840 | |
| The population of Illinois was 476,183. | |
| The National Road reached Vandalia, Illinois. | |
| March | The Sangamon County Circuit Court was in session. |
| May-July | The Eighth Judicial Circuit was in session. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| June 18 | Lincoln argued his first case in the Illinois Supreme Court. |
| August 3 | Lincoln won election to a fourth term in the Illinois House of Representatives. |
| September-December | The Eighth Judicial Circuit was in session. |
| November 23-March 1, 1841 | Lincoln served his fourth term in the Illinois House of Representatives. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1841 | |
| February 10 | The Democratic-controlled Illinois General Assembly increased the number of Illinois Supreme Court justices by five to give the Democrats a six-to-three majority on the court. |
| February 23 | The reformation of the Eighth Judicial Circuit, which included Champaign, Christian, Dewitt, Livingston, Logan, Macon, Mason, McLean, Menard, Piatt, Sangamon, Shelby, and Tazewell counties, became effective. |
| February 27 | Woodford County became part of the Eighth Judicial Circuit. |
| March 4 | William Henry Harrison took office as president of the United States. |
| March-June | The Eighth Judicial Circuit was in session. |
| April 4 | President William Henry Harrison died in office, and John Tyler succeeded him. |
| April 14 | Lincoln became the junior law partner of Stephen T. Logan. They began their partnership in a building opposite “Hoffman’s Row” at what is now 108-110 N. Fifth Street. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July | The Illinois Supreme Court began its session at Springfield. |
| July 23 | In Bailey v. Cromwell & McNaghton, Lincoln represented Bailey and argued before the Illinois Supreme Court that his client’s promissory note to purchase a slave from Cromwell was invalid because Cromwell failed to prove that the woman was a slave. The court ruled for Bailey. |
| August-September | Lincoln visited his friend Joshua F. Speed in Kentucky for three weeks. |
| September-December | The Eighth Judicial Circuit was in session. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1842 | |
| February 1 | The Federal Bankruptcy Act became effective. |
| February 15 | The first train, part of the Northern Cross Railroad from Meredosia, reached Springfield. |
| March-June | The Eighth Judicial Circuit was in session. |
| March 1 | The United States District Court admitted Lincoln to practice law. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July | The Illinois Supreme Court began its session at Springfield. |
| The Sangamon County Circuit Court was in session. | |
| August 1 | Logan won election to the Illinois House of Representatives. |
| September-December | The Eighth Judicial Circuit was in session. |
| September 22 | Friends kept Lincoln and James Shields from fighting a duel. |
| November 4 | Reverend Charles Dresser married Lincoln and Mary Todd in a small ceremony at the home of Ninian W. Edwards in Springfield. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| December 5-March 6, 1843 | Logan served in the Illinois House of Representatives. |
| 1843 | |
| January | Lincoln successfully defended Illinois Supreme Court Justice Thomas C. Browne in his impeachment trial in the Illinois General Assembly. |
| February 16 | Moultrie County became part of the Eighth Judicial Circuit. |
| March-June | The Eighth Judicial Circuit was in session. |
| March 3 | Congress repealed the Federal Bankruptcy Act. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July | The Sangamon County Circuit Court was in session. |
| August | Sometime in the late summer, Logan and Lincoln moved their law office to the third floor of the Tinsley Building at what is now the corner of Sixth and Adams streets. |
| August 1 | Robert Todd Lincoln, the Lincolns’ first child, was born in Springfield at the Globe Tavern, where Abraham and Mary resided. |
| September-November | The Eighth Judicial Circuit was in session. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1844 | |
| January 16 | In Springfield, Abraham and Mary Lincoln purchased their first and only home for $1,200. |
| March-June | The Eighth Judicial Circuit was in session. |
| May 1 | The Lincolns moved into their new home. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| June 27 | The violence against the Mormons in Nauvoo, Illinois, culminated when a mob murdered Joseph and Hyrum Smith at Carthage. |
| July | The Sangamon County Circuit Court was in session. |
| July 3 | Lincoln filed the bill of complaint in Gilman et al. v. Hamilton et al., a case involving trusts and Illinois College. |
| August 5 | Logan won election to a second term in the Illinois House of Representatives. |
| September-November | The Eighth Judicial Circuit was in session. |
| September 4 | Lincoln acted as pension attorney for Jacob Gundy, the first of several pension clients whom Lincoln represented during his legal practice. |
| October-November | Lincoln campaigned for Whig presidential candidate Henry Clay. |
| December | Logan and Lincoln dissolved their partnership, and Lincoln formed a law partnership with William H. Herndon as the junior partner. The new partnership remained in the Tinsley Building. |
| The United States district and circuit courts began their sessions at Springfield. | |
| The Illinois Supreme Court began its session at Springfield. | |
| December 9 | William H. Herndon was admitted to the bar. |
| 1845 | |
| February 21 | The reformation of the Eighth Judicial Circuit, which included Champaign, Christian, Dewitt, Edgar, Livingston, Logan, Macon, McLean, Menard, Moultrie, Piatt, Sangamon, Tazewell, Vermilion, and Woodford counties, became effective. |
| March-June | The Eighth Judicial Circuit was in session. |
| March 4 | James K. Polk took office as president of the United States. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July-August | The Sangamon County Circuit Court was in session. |
| September-November | The Eighth Judicial Circuit was in session. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1846 | |
| March-June | The Eighth Judicial Circuit was in session. |
| March 10 | Edward Baker "Eddie" Lincoln, the Lincolns’ second child, was born. |
| May | The Mexican War began when General Zachary Taylor’s forces defeated the Mexicans in two battles north of the Rio Grande. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July | The Sangamon County Circuit Court was in session. |
| August 3 | Lincoln won election to the United States Congress. |
| September-December | The Eighth Judicial Circuit was in session. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| December 9 | Augustus C. French took office as governor of Illinois. |
| 1847 | |
| Cyrus Hall McCormick began the manufacture of wheat reapers in Chicago. | |
| February 11 | The reformation of the Eighth Judicial Circuit, which included Champaign, Christian, Dewitt, Edgar, Logan, Macon, McLean, Moultrie, Piatt, Sangamon, Shelby, Tazewell, Vermilion, and Woodford counties, became effective. |
| March-June | The Eighth Judicial Circuit was in session. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July | The Sangamon County Circuit Court was in session. |
| September-November | The Eighth Judicial Circuit was in session. |
| October 16 | In the Coles County Circuit Court, Lincoln represented a slave owner in the case In Re Bryant et al. Lincoln argued that his client had the right to take his slaves to Illinois. The court ruled that the slaves were free. |
| November | In anticipation of Lincoln’s congressional term in Washington, Herndon moved to a smaller law office in the Tinsley Building. |
| The Lincoln family visited Mary's relatives in Lexington, Kentucky. | |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| December 6-August 14, 1848 | Lincoln served in the first session of the 30th United States Congress, which kept him away from Springfield, leaving the law practice in the hands of Herndon, his junior partner. |
| December 22 | Lincoln introduced his “Spot Resolutions” in the United States House of Representatives. |
| 1848 | |
| January | An American carpenter discovered gold in the California foothills of the Sierra Nevada range, sparking the California Gold Rush. |
| February 2 | The Mexican War ended with the Treaty of Guadalupe Hidalgo. |
| March-June | The Eighth Judicial Circuit was in session. |
| March 6 | Illinois ratified the state’s second constitution, which became effective April 1. |
| April 21 | The Illinois and Michigan Canal between Chicago and Ottawa, Illinois, opened, connecting the headwaters of the Illinois River with Lake Michigan. Construction had begun in 1836. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| June 7-9 | Lincoln attended the Whig convention in Philadelphia which nominated Zachary Taylor for president. |
| July | The United States district and circuit courts began their sessions at Chicago. |
| The Sangamon County Circuit Court was in session. | |
| July 19-20 | The first woman's rights convention took place in Seneca Falls, New York. |
| September-November | The Eighth Judicial Circuit was in session. |
| September 12-22 | Lincoln made a speaking tour in New England. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| December 4-March 3, 1849 | Lincoln served in the second session of the 30th United States Congress. |
| 1849 | |
| January 8 | Augustus C. French began his second term as governor of Illinois. |
| January 26 | The reformation of the Illinois Supreme Court into three grand divisions became effective. The First Grand Division began its session in November at Mt. Vernon, the Second Grand Division in December at Springfield, and the Third Grand Division in June at Ottawa. |
| March-June | The Eighth Judicial Circuit was in session. |
| March 4 | Zachary Taylor took office as president of the United States. |
| March 7 | United States Supreme Court admitted Lincoln to bar. |
| Lincoln delivered his only oral argument before the United States Supreme Court in Lewis for use of Longworth v. Lewis. | |
| May 22 | Lincoln's was granted a patent on a device for refloating vessels that had run aground. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July | The United States district and circuit courts began their sessions at Chicago. |
| The Sangamon County Circuit court was in session. | |
| September-November | The Eighth Judicial Circuit was in session. |
| September 27 | Lincoln declined appointment as governor of Oregon Territory. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1850 | |
| The population of Illinois was 851,470. | |
| February 1 | Edward Baker “Eddie”Lincoln died. |
| March-June | The Eighth Judicial Circuit was in session. |
| June | The United States district and circuit courts began their sessions at Springfield. |
| July | The United States district and circuit courts began their sessions at Chicago. |
| July 9 | President Zachary Taylor died in office, and Millard Fillmore succeeded him. |
| August-November | The Eighth Judicial Circuit was in session. |
| September 16 | Congress passed the last of the six separate measures of the Compromise of 1850. |
| September 18 | President Millard Fillmore signed the Fugitive Slave Act, part of the Compromise of 1850. |
| September 20 | President Millard Fillmore signed congressional legislation giving the Illinois Central Railroad the first federal land grant for rail construction. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| December 21 | William Wallace “Willie” Lincoln, the Lincoln’s third son, was born. |
| 1851 | |
| January 17 | Abraham Lincoln’s father Thomas Lincoln died in Coles County, Illinois. |
| March-June | The Eighth Judicial Circuit was in session. |
| April | The United States district and circuit courts began their sessions at Chicago. |
| June | The Illinois Supreme Court began its session at Ottawa. |
| July | The United States district and circuit courts began their sessions at Springfield. |
| August-November | The Eighth Judicial Circuit was in session. |
| October | The United States district and circuit courts began their sessions at Chicago. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1852 | |
| Harriet Beecher Stowe published Uncle Tom’s Cabin. | |
| Lincoln and Herndon moved their law office to a corner building at what is now the corner of Washington and Fifth streets. | |
| March-June | The Eighth Judicial Circuit was in session. |
| April | The United States district and circuit courts began their sessions at Chicago. |
| July | The United States district and circuit courts began their sessions at Springfield. |
| July 6 | Lincoln delivered a eulogy on Henry Clay in Springfield. |
| August-November | The Eighth Judicial Circuit was in session. |
| October | The United States district and circuit courts began their sessions at Chicago. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1853 | |
| January 10 | Joel A. Matteson took office as governor of Illinois. |
| February 3 | The reformation of the Eighth Judicial Circuit, which included Champaign, Dewitt, Logan, McLean, Sangamon, Tazewell, Vermilion, and Woodford counties, became effective. |
| March 4 | Franklin Pierce took office as president of the United States. |
| March-June | The Eighth Judicial Circuit was in session. |
| April | The United States district and circuit courts began their sessions at Chicago. |
| April 4 | Thomas “Tad” Lincoln, the Lincoln’s fourth son, was born. |
| July | The United States district and circuit courts began their sessions at Springfield. |
| August-December | The Eighth Judicial Circuit was in session. |
| October | The United States district and circuit courts began their sessions at Chicago. |
| December | The United States district and circuit courts began their sessions at Springfield |
| The Illinois Supreme Court began its session at Springfield. | |
| 1854 | |
| March-May | The Eighth Judicial Circuit was in session. |
| April | The United States district and circuit courts began their sessions at Chicago. |
| April 4-April 9, 1855 | Herndon served as mayor of Springfield. |
| May | President Franklin Pierce signed the Kansas-Nebraska Act. |
| June 12 | The Sangamon County Circuit Court began its session. |
| July | The United States district and circuit courts began their sessions at Springfield. |
| September-November | The Eighth Judicial Circuit was in session. |
| September 12-October 16 | Lincoln delivered speeches in several Illinois towns critiquing Stephen Douglas and the Kansas Nebraska Act |
| October | The United States district and circuit courts began their sessions at Chicago. |
| November 7 | Lincoln won election to the Illinois legislature. |
| November 27 | Lincoln resigned from the Illinois legislature to become a candidate for the United States Senate. |
| December | The United States district and circuit courts began their sessions at Springfield. |
| The Illinois Supreme Court began its session at Springfield. | |
| 1855 | |
| February 8 | In the Illinois General Assembly Lincoln lost the election to the United States Senate to Lyman Trumbull. |