Centuries: 4th century - 5th century - 6th century
Decades: 370s 380s 390s 400s 410s - 420s - 430s 440s 450s 460s 470s
Years: 422 423 424 425 426 - 427 - 428 429 430 431 432
Births
Deaths
... winner of the Nobel Peace Prize April 16 - Fifi D'Orsay, actress (+ 1983) April 22 - Robert Oppenheimer, physicist (+ 1967) May 6 - Harry Martinson, swedish ...