Hints for ERA #50

Difficulty: Gentle

Spoiler-safe hints for the ERA puzzle of November 9, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

The oldest event is: Crusades.

Hint 2

The most recent event is: Gulf War.

Hint 3

Doppler effect happened in 1842.

The answer

Contains the answer. Open only if you are stuck.

  1. 1095Crusades · War (start)
  2. 1791Brandenburg Gate · Opened
  3. 1842Doppler effect · Discovery
  4. 1889Eiffel Tower · Opened
  5. 1945Animal Farm · Book
  6. 1990Gulf War · War (start)

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ERA

Six events from history — battles, books, inventions, treaties, spaceflights — shuffled. Put them oldest to newest in four tries. The same puzzle for everyone, in every language.