Spouse
1907
| 1907 • The triode thermionic amplifier invented by Lee de Forest, starting the development of electronics as a practical technology. |
1930
Age: 23y
| 1930 • One-year conscription comes into force in France. |
1940
Age: 33y
| 1940 • The Balham subway station disaster in London, England, occurs during the Nazi Luftwaffe air raids on Great Britain. |
1975
Oct 14
Age: 68y
| 1975 • The Movement 2 June kidnaps West German politician Peter Lorenz. He is released on March 4 after most of the kidnappers' demands are met. |