1547
Politics
Becomes Queen Consort of France
Henry II became king, making Catherine queen consort, increasing her influence.
View detailsThis Day
31July
15 indexed achievements across recorded history.
1893
1921
Activism
Birth of Whitney Moore Young Jr.
Whitney Moore Young Jr. was born in Lincoln Ridge, Kentucky.
View details1923
Politics
First Private Member’s Bill passed by a woman MP: Intoxicating Liquor Bill
Nancy Astor’s Intoxicating Liquor Bill was passed, the first Private Member’s Bill by a woman MP in UK history.
View details1923
Science
Birth of Stephanie Kwolek
Stephanie Louise Kwolek was born in New Kensington, Pennsylvania, United States.
View details1928
Sports
First woman to win Olympic gold in the 100 m
At Amsterdam 1928, Betty Robinson wins the women’s 100 m in 12.2 s, becoming the first female Olympic 100 m champion and the youngest 100 m gold medalist.
View details1932
Sports
Dominant performance at AAU national meet
Zaharias won or tied for first in six of seven events at the AAU national meet, setting four world records.
View details1937
Literature
Marriage to Albert Erskine
Porter married Harcourt, Brace editor Albert Erskine in Greenwich, Connecticut; they divorced in 1942.
View details1938
Science
Mid-expedition documentation at Bright Angel Creek
Clover and Jotter's expedition reached Bright Angel Creek in the Grand Canyon, with photographs documenting their ongoing botanical survey work.
View details1944
Arts
Birth of Sherry Lansing
Sherry Lansing was born on July 31, 1944, in Chicago, Illinois.
View details1962
Medicine
U.S. patent issued for azathioprine (Imuran)
U.S. Patent 3,047,534 for azathioprine, an immunosuppressive drug, was issued.
View details1965
1990
1992
Science
First Aboriginal track and field athlete to represent Australia at the Olympics
Freeman competed in the 400m heats at Barcelona 1992, becoming the first Aboriginal track and field Olympian for Australia.
View details1993
