Historical Events
- Largest group of sunspots on record
- United Nation's Convention on International Civil Aviation forms the International Civil Aviation Organization
Famous Birthdays
- James Hazeldine, British stage and screen actor (London's Burning), born in Salford, Lancashire, England (d. 2002)
- Ray Fosse, American MLB baseball catcher, 1967-79 (All-Star, Gold Glove Award - 1970, 1971 Cleveland Indians; World Series Oakland A's 1973, 74; and 2 other teams) and broadcaster (Oakland A's, NBC), born in Marion, Illinois (d. 2021)
- Salvatore Sciarrino, Italian composer (Quaderno di strada, 2003; La porta della legge, 2006–08), born in Palermo, Italy
- Wiranto, Indonesian army general (Commander of the Indonesian National Armed Forces), and politician, born in Yogyakarta, Indonesia
Famous Deaths
- William O'Donnell, Irish politician (Teachta Dála, 1943-47), dies at 71
1947 Highlights
About April 4, 1947
Day of the Week: Friday
How Long Ago? 77 years and 14 days
Leap Year: No
Generation: Baby Boomer
Chinese Zodiac: Pig
Star Sign: Aries