Otto III Crowned Holy Roman Emperor
16-year-old Otto III was crowned Holy Roman Emperor by Pope Gregory V. His short reign was marked by grand visions of reviving the glory of ancient Rome.
May 21 has been a day of daring crossings, tragic losses, and groundbreaking achievements in aviation.
16-year-old Otto III was crowned Holy Roman Emperor by Pope Gregory V. His short reign was marked by grand visions of reviving the glory of ancient Rome.
Portuguese navigator Joao da Nova discovered the island of St. Helena in the South Atlantic. The remote island would later serve as Napoleon's place of exile.
The velocipede, an early form of bicycle, was introduced in the United States. The two-wheeled vehicle would undergo many improvements before becoming a popular mode of transportation.
Clara Barton and associates founded the American Red Cross in Washington, D.C. The humanitarian organization has provided disaster relief and emergency assistance ever since.

Charles Lindbergh landed the Spirit of St. Louis at Le Bourget airfield in Paris, completing the first solo nonstop transatlantic flight. A crowd of 150,000 rushed to greet him.

Freedom Riders, protesting segregation in interstate bus travel, were brutally attacked by mobs in Anniston and Birmingham, Alabama. The violence drew national attention to racial injustice.

SpaceX's Dragon capsule became the first commercial spacecraft to dock with the International Space Station. The mission marked a new era of commercial spaceflight.