Births on September 23

Clifford Shull, American physicist and academic, Nobel Prize laureate (d. 2001)

Clifford Glenwood Shull (September 23, 1915 in Pittsburgh, Pennsylvania – March 31, 2001) was a Nobel Prize-winning American physicist.

12 Jan

Women's suffrage
The United States House of Representatives rejects a proposal to require states to give women the right to vote.
28 Jan

United States Coast Guard
An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
18 Mar

Battle of Gallipoli
World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
20 Mar

General relativity
Albert Einstein publishes his general theory of relativity.
17 May

Herbert Henry Asquith
The last British Liberal Party government (led by Herbert Henry Asquith) falls.