History of Watchmaking

1955 Vacheron Constantin created the Extraplate.
The first self-winding watch with alarm: the Memovox by Jaeger LeCoultre.
Calculating from 0 hour on January 1st, 1900, the second was defined as 1/31,556,925.947th of the year during which the earth revolves around the sun.

World history

Nasser nationalised the Suez Canal.
Anti-Communist uprising in Hungary.
Franco-British intervention in Egypt.

Swiss history

Switzerland’s population came to 5 million.

ART AND CULTURE

The Indian film director Satayajit Ray made Pather Panjali.
Jacques Cousteau won the Palme d’Or at the Cannes Film Festival for The Silent World.
Elvis Presley had his first hit with Heartbreak Hotel.