What day of the week was April 30, 1921?
The day of the week April 30th, 1921 fell on was a Saturday. Last day of Passover for Jewish people.
Roger L. Easton the American scientist, co-invented the GPS (d. 2014) was born on 30 April in 1921. As was Tove Maƫs the Danish actress (d. 2010) .