What Happened on April 30, 1897

Day of the Week: Friday

Historical Events

InventionScientific Discovery

English physicist J. J. Thomson announces his discovery of the electron in a lecture to the Royal Institution

Physicist J. J. Thomson
J. J. Thomson

Famous Birthdays

  • Humberto Mauro, Brazillian film director (Ganga Bruta), born in Volta Grande, Minas Gerais (d. 1983)