Missouri Compromise: Timeline

1819   The United States House of Representatives United States House of Representatives

The United States House of Representatives is one of the two chambers [i] of the United States Congress [i] ... 

 agrees to the Tallmadge Amendment barring slaves from the new state of Missouri, the opening vote in a controversy that leads to the Missouri Compromise

1820   Slavery Slavery

Slavery is the social and legal designation of specific person [i]s as property [i] or chattel, for the ... 

 in the United States United States

The United States of America, also known as the United States, the U.S., the U.S.A., a... 

: The Missouri Compromise becomes law.

1854   Kansas-Nebraska Act becomes law, rescinding the Missouri Compromise of 1820 and creating Kansas Territory and Nebraska Territory. Provision that settlers will vote on slavery in the new territories leads to Bleeding Kansas Bleeding Kansas

Bleeding Kansas, sometimes referred to in history [i] as Bloody Kansas or the ... 

 violence beginning the next year.