1840 The sixth census reveals that on June 1 the nation's population is 17,069,453.Timeline State: N.A.Timeline Country: United StatesTimeline Subjects: populationEra: 1801-1900 Read more about 1840
1837 John Deere develops the first commercially successful steel plow at his Grand Detour, Illinois factory.Timeline State: IllinoisTimeline Country: United StatesTimeline Subjects: agricultureEra: 1801-1900 Read more about 1837
1837 On January 26, Michigan becomes the twenty-sixth state.Timeline State: MichiganTimeline Country: United StatesTimeline Subjects: statehoodEra: 1801-1900 Read more about 1837
1836 On June 15, Arkansas becomes the twenty-fifth state.Timeline State: ArkansasTimeline Country: United StatesTimeline Subjects: statehoodEra: 1801-1900 Read more about 1836
1836 In the Battle of San Jacinto on April 21, Texas wins independence from Mexico.Timeline State: TexasTimeline Country: United StatesTimeline Subjects: warEra: 1801-1900 Read more about 1836
1833 Oberlin College, which opens on September 2, becomes the first U.S. institution of higher education to admit women.Timeline State: OhioTimeline Country: United StatesTimeline Subjects: educationEra: 1801-1900 Read more about 1833
1841 On April 6, John Tyler of Virginia becomes the first Vice President to become President following the death of President Harrison on April 4. Timeline State: VirginiaTimeline Country: United StatesTimeline Subjects: politicsEra: 1801-1900 Read more about 1841
1840 The first national convention of the antislavery Liberty Party takes place in Arcade, New York on April 1.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: politicsEra: 1801-1900 Read more about 1840
1840 On March 31, President Martin Van Buren establishes by executive order the ten-hour day for federal employees. Timeline State: District of ColumbiaTimeline Country: United StatesTimeline Subjects: labor & unionsEra: 1801-1900 Read more about 1840
1837 On November 7, an anti-abolitionist mob kills abolitionist Elijah Lovejoy in Alton, Illinois.Timeline State: IllinoisTimeline Country: United StatesTimeline Subjects: slaveryEra: 1801-1900 Read more about 1837