April10
World Wars Era
1904
Science
Sound Speed Precisely Measured

Scientific teams working across French observation stations conducted synchronized cannon-fire experiments to measure the speed of sound with unprecedented precision, part of a decades-long effort to nail down fundamental physical constants using improving timekeeping and telegraphic signaling technology.

1912
Culture
Titanic Sets Sail

The largest ship afloat, hailed as unsinkable, left dock at noon bound for Cherbourg, Queenstown, and finally New York City. Aboard were some of the era's wealthiest industrialists alongside hundreds of emigrants seeking new lives in America. Four days later, an iceberg would turn this celebrated voyage into one of history's most infamous maritime disasters.

Cold War & Space Age
1956
Politics
Secret Speech Reverberates

Weeks after Nikita Khrushchev delivered his stunning denunciation of Joseph Stalin's purges and cult of personality to a closed session of the 20th Communist Party Congress, details leaked and rippled outward through party channels, unsettling loyal communists from Warsaw to Beijing to Rome who had spent decades venerating the dead dictator.

Modern
1997
Culture
Rodman's Wild Night

During a Chicago Bulls game, forward Dennis Rodman lost his temper and headbutted referee Ted Bernhardt after a disputed foul call, triggering a league investigation that resulted in a six-game suspension and a hefty fine, another chapter in Rodman's turbulent, headline-grabbing career during the Bulls' championship dynasty years.

2001
Culture
UNESCO Pleads Over Bamiyan

As international outcry mounted, UNESCO officials continued desperate diplomatic efforts to halt or mitigate the destruction the Taliban had ordered against the two monumental 6th-century Buddha statues carved into a cliffside in Afghanistan's Bamiyan valley, treasures of world heritage that had survived for over 1,500 years.