This week in political history, Washington, D.C., abolished slavery, Dr. Martin Luther King, Jr. was assassinated and the United States entered World War I. Find out all the historical facts below:
1917: Jeannette Pickering Rankin becomes the first women to serve in the House of Representatives.
1862: Washington, D.C. abolishes slavery.
1944: The Supreme Court rules that black citizens are allowed to vote in elections.
1841: President William Henry Harrison dies in office, 31 days after being inaugurated.
1968: Dr. Martin Luther King, Jr. is assassinated.
1937: Secretary of State Colin Powell is born.
2016: Bernie Sanders (I) wins the Wisconsin Primary.
2016: Ted Cruz (R) wins the Wisconsin Primary.
1917: The United States enters World War I.
1933: President Franklin D. Roosevelt signs legislation that ends prohibition.
1726: Declaration of Independence signer Lewis Morris is born.
1789: The House of Representatives meets for the first time.
1913: The 17th Amendment is ratified.
1921: First Lady Betty Ford is born.
If there are any moments in political history that you think we should mention in a future article, let us know!