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Events on Monday 15 January 1934 2
1934Discovery of artificial radioactivityIrène Joliot-Curie and Frédéric Joliot create radioactive isotopesIrène Joliot-Curie and Frédéric Joliot announced that bombarding light elements such as aluminium with alpha particles produced new radioactive isotopes. The discovery earned them the 1935 Nobel Prize in Chemistry.
1934Nepal–Bihar earthquakeMagnitude 8 quake devastates northern India and NepalA powerful earthquake struck the border region of Nepal and the Indian province of Bihar. Around 10,000 people were killed, and towns including Munger and Kathmandu suffered severe destruction.