All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Monday 4 April 1938 1
1938 – 1989A. Bartlett Giamatti (1938-1989)Died 1 September 1989, aged 51A. Bartlett Giamatti was a Renaissance literature scholar who served as President of Yale University before becoming Commissioner of Major League Baseball. He presided over the investigation that led to Pete Rose's lifetime ban from baseball just before his death. He died of a heart attack days after the Rose decision.