May 4 is the 124th day of the year in the Gregorian calendar (125th in leap years). There are 241 days remaining.
Events:
- 1970 - The Ohio National Guard, sent to Kent State University after the ROTC building was burnt down, opens fire on students protesting the United States' invasion of Cambodia. Four students are killed, 9 wounded.
Holidays:
- The Netherlands - Remembrance of the dead (1940-1945)
See Also: January, February, March, April, May, June, July, August, September, October, November, December May 3 - May 5 - April 4 - June 4 - more historical anniversaries