January 26 » American Civil War: Governor of Massachusetts John Albion Andrew receives permission from the Secretary of War to raise a militia organization for men of African descent.
February 24 » Arizona is organized as a United States territory.
March 30 » Danish prince Wilhelm Georg is chosen as King George of Greece.
May 1 » American Civil War: The Battle of Chancellorsville begins.
June 14 » Second Assault on the Confederate works at the Siege of Port Hudson during the American Civil War.
September 20 » American Civil War: The Battle of Chickamauga, in northwestern Georgia, ends in a Confederate victory.
July 13, 1923
The temperature on July 13, 1923 was between 18.9 °C and 33.0 °C and averaged 26.0 °C. There was 10.6 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI