May 31, 1859: Big Ben's Great Clock starts. On this day in 1859, the Great Clock in the clock tower of the Houses of Parliament in London started ticking. People often call the tower and its great bell 'Big Ben. ' Each clock face is about 7 meters across.
1578 🏛️ King Henry III laid the first stone of the Pont Neuf, which means "New Bridge," even though today it is the oldest bridge in Paris.
1879 🎨 Gilmore's Garden in New York City was renamed Madison Square Garden, a name later used by one of the world's most famous arenas for sports and concerts.
2008 🏅 Sprinter Usain Bolt of Jamaica ran 100 metres in 9.72 seconds in New York, breaking the world record for the first time.