1803: Louisiana Purchase "Louisiana is purchased from Napoleon I by the United States for $15,000,000" -Source: Louisiana.gov
2
1812
1812: Louisiana Becomes a US State "Louisiana is admitted to the Union." - Source: Louisiana.gov
18 Jun 1812—17 Feb 1815: War of 1812 War of 1812, (June 18, 1812–February 17, 1815), conflict fought between the United States and Great Britain over British violations of U.S. maritime rights.
3
1828
28 Oct 1828: Great Depression Starts On this day, Black Friday, the stock market crashed and the Great Depression began.
4
1861
26 Jan 1861: Louisiana Suceded from the Union During the Civil War, Louisiana seceded from the Union in January 1861, sent thousands of soldiers to fight for the Confederacy, and saw Union invasion and occupation, ultimately leading to the emancipation of enslaved people and a period of Reconstruction.
Abt 1798 - 1865 (67 years)