Dossier №266

1,997 AD

Diana, Princess of Wales, dies after a car crash in Paris.

This question uses 1997 AD as its sourced chronological anchor.

Her death prompted worldwide mourning and changed public expectations of how the British royal family responded to grief.

1,804 AD

Napoleon crowns himself emperor in a ceremony at Notre-Dame Cathedral.

This question uses 1804 AD as its sourced chronological anchor.

The coronation formalized his transformation from revolutionary general and consul into a hereditary monarch.

1,066 AD

William of Normandy defeats King Harold II at the Battle of Hastings.

One battle began a profound reordering of English rule and landholding.

William’s victory followed a contested English succession and Harold’s rapid march south after fighting in the north. Norman rule reshaped aristocracy, castles, government, language, and England’s ties to continental Europe.

395 AD

The death of Theodosius I leaves eastern and western imperial courts to his sons.

This question uses 395 AD as its sourced chronological anchor.

The administrative division became lasting even though people continued to understand both halves as parts of one Roman Empire.

100 BC

Greek craftspeople build the geared device now called the Antikythera mechanism.

Bronze gears modeled cycles of the sky with astonishing mechanical sophistication.

Recovered from a shipwreck, the mechanism used interlocking gears to track astronomical cycles and calendar displays. Proposed construction dates range widely; this question uses the sourced 150–100 BCE range’s later boundary as its anchor.