The Great Depression began with the US stock market crash of 1929, leading to global economic hardship throughout the 1930s.

Orville and Wilbur Wright achieved the first powered flight in 1903 at Kitty Hawk, marking the dawn of aviation history.

Darius I constructed Persepolis around 518 BCE as a ceremonial capital of the Achaemenid Empire. This is a well-documented historical or scientific.

Damascus, Syria, has been continuously inhabited for over 11,000 years, making it one of the oldest living cities in human history.

Sputnik 1, launched by the USSR in 1957, was the first artificial satellite, marking the start of the space race.

Napoleon Bonaparte was defeated at Waterloo by the Duke of Wellington and Prussian forces, ending his rule and the Napoleonic Wars.

The Ming dynasty expanded and fortified the Great Wall between the 14th–17th centuries, much of which still stands today.

The Sapir-Whorf hypothesis suggests language influences thought and worldview, highlighting the relativity between culture and speech.

J.J. Thomson discovered the electron using cathode ray experiments in 1897, earning the Nobel Prize in Physics in 1906.

Ferdinand Magellan led the first expedition to circumnavigate the globe (1519–1522); although he died en route, the voyage completed the circuit.