On May 7, 1915, the Lusitania was sunk by a German submarine, killing nearly 1,200 people.

On May 6, 1937, the Hindenburg airship burst into flames in New Jersey, ending the era of airship travel.

On May 5, 1863, the modern roller skate was patented, changing recreational movement forever.

On May 4, 1980, British special forces ended the Iranian Embassy siege in London during a dramatic live broadcast.

On May 3, 1865, James Clerk Maxwell predicted electromagnetic waves—laying the groundwork for modern wireless communication.

On May 2, 1856, tensions over slavery boiled over into violence in the U.S. Senate.

On May 1, 1886, workers across the U.S. went on strike to demand an eight-hour workday.

On April 30, 1960, Israeli agents captured Adolf Eichmann in Argentina. This episode explores one of the most daring intelligence operations in history.

On April 29, 1876, chunks of meat fell from the sky in Kentucky. This episode explores one of the strangest events in American history.

On April 28, 1789, a mutiny left Captain William Bligh stranded at sea—leading to one of the greatest survival journeys in history.