Three-Fifths Compromise, May 25 to September 17, 1787 United States Constitutional Convention
Connecticut Compromise Proportional representation of the states in the House of Representatives, but required the Senate to be weighted equally among the states. Each state would have two representatives.
Compromise of 1790 Was done between Alexander Hamilton and Thomas Jefferson with James Madison wherein Hamilton won the decision for the national government to take over and pay the state debts, and Jefferson and Madison obtained the national capital (District of Columbia) for the South. The compromise made possible the passage of the Residence and Funding Acts in July and August 1790
Toussaint Louverture August/November 1791 – 1801 Freed and ruled the Island of Santo Domingo/Haiti.
Fugitive Slave Act, February 12, 1793 was made part of the US Constitution, Article 4, Section 2, Clause 3, later superseded by the Thirteenth Amendment.
Louisiana Purchase, September 18, 1803
Missouri Compromise, March 3, 1820
Kansas–Nebraska Act, was passed in 1853, by the 33rd United States Congress and become law May 30, 1854
Compromise, Fugitive Slave Act, September 18, 1850