History of Watchmaking

Patek Philippe produced what was then the world’s most complicated watch, known as the Packard after the automobile magnate James Packard who commissioned it.

World history

The first commercial telephone service was launched between New York and London.
Charles Lindbergh (1902-1974) flew non-stop across the Atlantic.
Execution in the United States of Sacco and Vanzetti.

Art and Culture

The Jazz Singer became the first "talking picture".
At the tender age of 11, the Russian-born American violinist Yehudi Menuhin gave his first concert in Paris, at the Salle Gaveau, before 1,500 people.
Louis Armstrong recorded numerous tracks, including Weary Blues.