April 13, 1941 in History

Day of the Week: Sunday

Events in History

  • Heavy German assault on Tobruk
  • Pact of neutrality between the USSR and Japan is signed.

Birthdays in History

  • Michael Stuart Brown, American geneticist, Nobel laureate

Deaths in History

Person of interestPerson of Interest

Annie Jump Cannon, US astronomer (Henry Draper catalogues), dies at 77

Astronomer Annie Jump Cannon
Annie Jump Cannon