- 1869 Cincinnati Red Stockings play their 1st official baseball game, a win against the Great Western Base Ball Club, 45-9
"The Don't Make A Wave Committee," a fledgling environmental organization founded in Canada in 1971, officially changes its name to the "Greenpeace Foundation"
On May 4, 1972
Cowboy Bill Pickett invents bulldogging, the skill of grabbing cattle by the horns and wrestling them to the ground
On May 4, 1893