1. On March 3, 1865, the Freedmen's Bureau was established in Washington D.C. by an act of Congress. The bureau was created to assist newly freed slaves in securing employment, education, and housing.

2. In 1875, on March 3, the Civil Rights Act was signed into law by President Ulysses S. Grant. The law prohibited race discrimination in public accommodations, transportation, and jury selection.

3. In 1933, on March 3, the 20th Amendment to the U.S. Constitution was ratified, which shortened the time between presidential elections and inaugurations from March 4 to January 20.

4. On March 3, 1959, Washington D.C. was granted three electoral votes as part of the 23rd Amendment to the U.S. Constitution. Previously, residents of the district had no voting rights in presidential elections.

5. On March 3, 2014, the National Museum of Women in the Arts in Washington D.C. celebrated its 27th anniversary. The museum is dedicated to collecting and exhibiting art created by women from around the world, and is the only museum of its kind in the United States.