May 17, 1792 (232 years ago)
•The New York Stock Exchange is formed.

May 17, 1939 (85 years ago)
•The Columbia Lions and the Princeton Tigers play in the first-ever televised sporting event, a collegiate baseball game in New York City.

May 17, 1954 (70 years ago)
•The United States Supreme Court hands down a unanimous decision in Brown v. Board of Education declaring that state laws that established separate public schools for black and white students denied black children equal educational opportunities.