Chicken or Egg, October 5: The Great Pyramid of Giza completed, The Colosseum opens, Teaching begins at Oxford, Tenochtitlan founded, The US Declaration of Independence
Puzzle #5, Ancient & historic, Monday, October 5, 2026. Six things, one order. Here is the answer, earliest to latest.
Earliest
1
The Great Pyramid of Giza completedc. 2560 BCE
Built around 2560 BCE. It was the tallest structure on Earth for 3,800 years.
2
The Colosseum opens80 CE
Inaugurated in 80 CE with 100 days of games.
3
Teaching begins at Oxfordc. 1096
Teaching at Oxford existed by 1096, two centuries before the Aztec capital was founded.
4
Tenochtitlan foundedc. 1325
The Aztec capital, now Mexico City, was founded around 1325.
5
The US Declaration of Independence1776
July 4, 1776.
Latest
The twistTeaching begins at Oxford came first. Teaching begins at Oxford dates to c. 1096; Tenochtitlan founded to c. 1325. Most people put them the other way round.