323 BC: Alexander the Great dies in Babylon

44 BC: Julius Caesar assassinated in Rome

1215: Magna Carta signed at Runnymede

1440: Gutenberg invents the printing press

1492: Columbus reaches the Americas

1687: Newton publishes Principia Mathematica

1789: French Revolution begins

1859: Darwin publishes Origin of Species

1905: Einstein's Special Relativity

1969: First humans walk on the Moon