On This Date...
In 1620: The first merry-go-round on record was set up at a fair in Philippolis, Turkey.

In 1875: The horse Aristides won the first ever Kentucky Derby.

In 1954: The US Supreme Court unanimously banned segregation through the case Brown v. Board of Education.

In 1973: The US Senate began hearings about Watergate, the Nixon-era scandal.