Charles Lindbergh touches down at Le Bourget Field in Paris, completing the world's first solo nonstop flight across the Atlantic Ocean. Date: May 21, 1927 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1927 📅 On This Day (Today)

Bad weather forces Amelia Earhart to land in a pasture in Derry, Northern Ireland, and she thereby becomes the first woman to fly solo across the Atlantic Ocean. Date: May 21, 1932 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1932 📅 On This Day (Today)

Oskaloosa, Iowa, becomes the first municipality in the United States to fingerprint all of its citizens. Date: May 21, 1934 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1934 📅 On This Day (Today)

Sada Abe is arrested after wandering the streets of Tokyo for days with her dead lover's severed genitals in her handbag. Her story soon becomes one of Japan's most notorious scandals. Date: May 21, 1936 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1936 📅 On…

A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean. Date: May 21, 1937 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1937 📅 On This Day (Today)

The Canadian National War Memorial is unveiled by King George VI and Queen Elizabeth in Ottawa, Ontario, Canada. Date: May 21, 1939 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1939 📅 On This Day (Today)

Physicist Louis Slotin is fatally irradiated in a criticality incident during an experiment with the demon core at Los Alamos National Laboratory. Date: May 21, 1946 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1946 📅 On This Day (Today)

The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition: A gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively known as the New York School. Date: May 21, 1951 Read more on Wikipedia → 📅 Other events on May 21…

American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out. Date: May 21, 1961 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1961 📅 On This Day (Today)

The Ulster Volunteer Force declares war on the Irish Republican Army in Northern Ireland. Date: May 21, 1966 Read more on Wikipedia → 📅 Other events on May 21 📅 Events on this day in 1966 📅 On This Day (Today)