- 1588 – Thomas Hobbes is born. He was an English philosopher known for his work “Leviathan.”
- 1614 – American Indian princess Pocahontas and daughter of chief Powhatan marries English colonist John Rolfe.
- 1792 – George Washinton vetoes his first bill.
- 1876 – ‘Arsenal Hill’ exploded (now Capitol Hill)
- 1887 – Helen Keller learns w.a.t.e.r from teacher Anne Sullivan.
- 1901 – Hattie Alexander is born. She became a pediatrician and microbiologist who identified and studied antibiotic resistance caused by random genetic mutations in DNA. She was the first woman elected president of the American Pediatric Society.
- 1911 – 100,000 to 500,000 people march in New York City to attend the funeral of seven unidentified victims of the Triangle Shirtwaist Company fire in late March
- 1937 – Colin Powell is born.
- 1955 – Winston Churchill retires as prime minister.
