What happend on 23rd July

22.07
24.07
1926

Fox Film buys the patents of the Movietone sound system for recording sound onto film.

1914

Austria-Hungary issues an ultimatum to Serbia allowing the Austrians to find out who killed Archduke Franz Ferdinand. When Serbia denies Austria-Hungary their demands World War I is sparked on July 28, 1914

1903

Dr. Ernst Pfenning of Chicago, Illinois becomes the first owner of a Ford Model A.

1862

American Civil War: Henry W. Halleck takes command of the Union Army.

1829

In the United States, William Austin Burt patents the first typewriter.

1632

300 colonists bound for New France depart Dieppe, France.

1503

Orbital calculations suggest that on this day Pluto moved outside Neptune's orbit, remaining there for 233 years.