1. In 1622, the Powhatan Indian tribe launched a surprise attack on Virginia colonists, resulting in the death of hundreds of settlers. This event, known as the Indian Massacre of 1622, took place on March 14.

2. On March 14, 1743, Thomas Jefferson, the author of the Declaration of Independence and third President of the United States, was born in Shadwell, Virginia. Jefferson served as Virginia's governor from 1779 to 1781 and helped draft Virginia's state constitution.

3. The Virginia State Capitol, located in Richmond, was designed by Thomas Jefferson and completed in 1788. On March 14, 1870, the capitol building was the site of the swearing-in of Hiram Revels, the first African American to serve in the U.S. Senate.

4. On March 14, 1903, the famous American dancer and choreographer Martha Graham was born in Allegheny County, Virginia. Graham revolutionized modern dance and founded her own dance company, which is still active today.

5. In 1960, protests against segregation in Virginia led to the "Sit-In Movement," in which African American students staged nonviolent protests at segregated lunch counters. On March 14, 1960, demonstrators held their first sit-in at a Woolworth's lunch counter in Richmond, sparking a wave of sit-ins across the state and the country.