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Wellsprings
On this day in history

October 30

HinduScience
  1. 1883 CEHindu · died

    Swami Dayananda Saraswati, founder of the Arya Samaj and advocate of a return to Vedic authority, died at Ajmer on this day in 1883.

  2. 1961 CEScience

    On 30 October 1961 the Soviet Union detonated Tsar Bomba over the Arctic, at about 50 megatons the most powerful nuclear device ever tested, a marker of Cold War physics.