Inventions, firsts, and turning points tied to today’s date — each one sourced and dated.
On October 20, 1973, Queen Elizabeth II opened the Sydney Opera House, sixteen years after its bold sail-shaped design won an international competition.
Two years after fleeing the Philippines, MacArthur waded ashore at Leyte and told a nation by radio: "I have returned."
In one London signing, two former enemies agreed to let geometry settle a continent's worth of contested wilderness.
