Alphabetical list of historical battles (see also Military history, List of battles):
NOTE: Where a year has been used to disambiguate battles it is the year when the battle started. In some cases these may still have gone on for several years.
... April 7 - Ralph Bunche[?], diplomat, winner of the Nobel Peace Prize
April 16 - Fifi D'Orsay, actress (+ 1983)
April 22 - Robert Oppenheimer, physicist (+ 1967)
May ...