From ancient philosophy to modern space exploration, January 3 has been a day of bold beginnings.
Marcus Tullius Cicero, one of Rome's greatest orators and political philosophers, was born in Arpinum, Italy. His writings on rhetoric, politics, and philosophy profoundly influenced Western thought for over two thousand years.
Pope Leo X issued the papal bull Decet Romanum Pontificem, officially excommunicating Martin Luther from the Catholic Church. Luther's refusal to recant his Ninety-Five Theses had launched the Protestant Reformation.
General George Washington's Continental Army defeated British forces at Princeton, New Jersey. Coming just days after the famous crossing of the Delaware, this victory boosted American morale during a critical period of the Revolutionary War.
Workers broke ground on the Brooklyn Bridge, designed by John Augustus Roebling. When completed in 1883, it was the longest suspension bridge in the world and connected Manhattan and Brooklyn.
British archaeologist Howard Carter opened the burial chamber of Pharaoh Tutankhamun's tomb in Egypt's Valley of the Kings. Inside he found a spectacular golden sarcophagus that had been sealed for over 3,000 years.
The Hamilton Watch Company unveiled the world's first battery-powered electric watch, the Hamilton Electric 500. This revolutionary timepiece replaced the traditional mainspring mechanism with a small battery.
NASA's Spirit rover successfully landed on Mars in Gusev Crater, bouncing to a stop inside its protective airbags. Originally designed for a 90-day mission, Spirit continued exploring the Martian surface for over six years.