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

Constantinople was renamed Istanbul officially in 1930 after the establishment of the Republic of Turkey under Atatürk.

The ancient Olympics, starting in 776 BCE, were held at Olympia in honor of Zeus, king of the Greek gods.

Alan Turing laid foundations of computation and artificial intelligence, creating the Turing Machine model and breaking wartime codes.

The Yangtze River, stretching about 6,300 km, is the longest river in Asia and the third-longest in the world after Nile and Amazon.

Due to overseas territories, France spans the most time zones of any country when its territories are included across the globe.

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

Dmitri Mendeleev created the Periodic Table in 1869, arranging elements by properties and predicting undiscovered ones accurately.

Orville and Wilbur Wright achieved the first powered flight on December 17, 1903, at Kitty Hawk, North Carolina.

Pax Romana (27 BCE – 180 CE) was a period of relative peace and stability across the Roman Empire, fostering prosperity and growth.