On June 22 in …
1611 — English explorer Henry Hudson — namesake of the Hudson River — along with his son and several other people exploring North America aboard the ship Discovery for a Dutch company are set adrift in present-day Hudson Bay, Canada, by mutineers.
1633 — The Holy Office in Rome forces Galileo Galileo to recant his view that the sun, not the Earth, is the center of the universe.
1772 — Slavery is outlawed in England.
1942 –- The U.S. Congress formally adopts the “Pledge of Allegiance.”
1969 — The Cuyahoga River catches fire in Cleveland, OH, drawing national attention to water pollution and spurring eventual passage of the federal Clean Water Act and creation of the Environmental Protection Agency.