November 4 – 1840 United States presidential election: William Henry Harrison defeats Martin Van Buren in a landslide. December 7 – David Livingstone leaves Britain for Africa. December 15 – The body of Napoleon is laid to rest in Les Invalides in Paris.

The 1840s (pronounced "eighteen-forties") was a decade of the Gregorian calendar that began on January 1, 1840, and ended on December 31, 1849. The decade was noted in Europe for featuring the largely unsuccessful Revolutions of 1848 , also known as the Springtime of Nations .

January 19, 1840 - Antarctica is claimed for the United States when Captain Charles Wilkes circumnavigates the continent and claims Wilkes Land for the nation. June 1, 1840 - The census of the United States grows to 17,063,353, up 33% from the decade before.

2019年7月3日 · The years from 1840 to 1850 were marked by war, political changes, a gold rush in California, and many other important events in America and around the world.

January 13–14 – The steamship Lexington burns and sinks in icy waters, 4 miles off the coast of Long Island; 139 die, only 4 survive. January 19 – Captain Charles Wilkes circumnavigates Antarctica, claiming what becomes known as Wilkes Land for the United States.

2017年1月3日 · What happened in the year 1840 in history? Famous historical events that shook and changed the world. Discover events in 1840.

Historical events from year 1840. Learn about 48 famous, scandalous and important events that happened in 1840 or search by date or keyword.

2025年1月4日 · One of the significant events in 1840 was the presidential election in the United States. William Henry Harrison, a member of the Whig party, defeated Martin Van Buren, the incumbent President of the United States, in a highly contested election.

2024年5月13日 · The 1840 population census was the Sixth Decennial Census of the United States. Taken every 10 years since 1790, census records provide a snapshot of the nation's population. Frequently Asked Questions About the 1840 Census

2025年1月2日 · In 1840, the largest city in the US was New York, with a population of 312,710. The second largest city was Baltimore, with a population of 102,313. The third largest US city in 1840 was New Orleans, with a population of 102,193. What was the overall population of the United States in 1840?