SortStack #2746 — 2033-12-15

By year · Order from earliest to most recent.

1. The Great Pyramid of Giza is completed for Pharaoh Khufu 2560 BCE

   It remained the tallest human-made structure on Earth for about 3,800 years, until Lincoln Cathedral's spire topped it in the 1300s.

2. The Beatles make their first appearance on The Ed Sullivan Show 1964

   An estimated 73 million Americans watched — roughly forty percent of the US population — launching the British Invasion overnight.

3. Christiaan Barnard performs the first human heart transplant in Cape Town 1967

   The first patient lived eighteen days. Barnard's second transplant patient lived more than eighteen months, proving the operation could work.

4. The Space Shuttle Columbia makes the first shuttle flight 1981

   It was the first time NASA launched humans on a vehicle that had never flown an uncrewed test — commander John Young had already walked on the Moon.

5. The Berlin Wall falls 1989

   A flustered official misread new travel rules at a press conference, saying they took effect 'immediately.' Crowds swamped the checkpoints within hours.

6. The Human Genome Project is declared complete 2003

   The 'complete' genome actually covered about 92% — the trickiest gaps weren't fully sequenced until nearly two decades later.

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