Hints for ERA #23

Difficulty: Easy

Spoiler-safe hints for the ERA puzzle of October 13, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

The oldest event is: Treaty of Verdun.

Hint 2

The most recent event is: Guggenheim Museum Bilbao.

Hint 3

Tower Bridge happened in 1894.

The answer

Contains the answer. Open only if you are stuck.

  1. 843Treaty of Verdun · Treaty
  2. 1850David Copperfield · Book
  3. 1894Tower Bridge · Opened
  4. 1928Muslim Brotherhood · Founded
  5. 1974Carnation Revolution · Revolution (start)
  6. 1997Guggenheim Museum Bilbao · Opened

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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.