1478

The Spanish Inquisition was established.

1512

Michelangelo’s just-completed paintings on the ceiling of the Vatican’s Sistine Chapel were publicly unveiled.

1604

William Shakespeare’s tragedy “Othello” was first presented at Whitehall Palace in London.

1950

Two Puerto Rican nationalists tried to assassinate President Harry S. Truman.

1952

The United States exploded the first hydrogen bomb, code-named “Ivy Mike,” at Enewetak Atoll in the Marshall Islands.