Easter / Bed-in / Torpedo / Europe / Swan Dress

Christians celebrate the first Easter according to the Roman Catholic Church's calendar.

Florence Cathedral (Cattedrale di Santa Maria del Fiore) began in 1296 and was consecrated by Pope Eugene IV. Designed by Filippo Brunelleschi with support from Cosimo de' Medici, it features the world’s largest dome at the time.

Slavery was abolished throughout the British Empire, with a penalty of £120 per enslaved person imposed on ship captains.

Billboard Magazine introduces the hillbilly (country) music chart.

For the first time, torpedoes were used by Italy to sink a British cruiser at Souda Bay, Crete.

RCA introduces the first color TV set, with a 12.5-inch screen, priced at $1,000.

France, West Germany, Italy, the Netherlands, Belgium, and Luxembourg signed the Rome Treaty establishing the European Economic Community (EEC) - a significant step toward the European Union.

First guided missile launched from a nuclear submarine. (USS Halibut)

John Lennon and Yoko Ono began their first "bed-in" for peace five days after their marriage at the Hilton Hotel in Amsterdam.

King Faisal is shot to death in Riyadh, Saudi Arabia, by his nephew, Prince Faisal.

Icelandic pop singer Björk made headlines at the 73rd Academy Awards by wearing the iconic “swan dress.”