Wolfgang Amadeus Mozart composed "The Magic Flute" (1791), a landmark of classical opera blending Masonic symbolism and popular delight.

Lead's chemical symbol is Pb, from its Latin name 'plumbum,' reflecting historic use in pipes and construction.

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.

The Louvre in Paris is the world’s largest art museum, housing the *Mona Lisa* and countless treasures of global civilization.

Nicolaus Copernicus published *De Revolutionibus* (1543), proposing the Sun, not Earth, as the universe’s center.

James Chadwick discovered the neutron in 1932, completing the model of atomic structure and earning the Nobel Prize in Physics.

William of Normandy defeated Harold at Hastings in 1066, beginning Norman rule in England. This is a well-documented historical or scientific fact.

Alfred Wegener proposed continental drift in 1912, suggesting continents once formed a supercontinent Pangaea, later separating.

The Leaning Tower of Pisa, begun in 1173, was intended as a bell tower for Pisa’s cathedral, famous for its unintended tilt.

Movable type printing began in China with Bi Sheng in the 11th century, later revolutionized in Europe by Gutenberg’s press.