Hints for ERA #40
Spoiler-safe hints for the ERA puzzle of October 30, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.
Hint 1
The oldest event is: The Canterbury Tales.
Hint 2
The most recent event is: MESSENGER.
Hint 3
Compton effect happened in 1922.
The answer
Contains the answer. Open only if you are stuck.
- 1387The Canterbury Tales · Book
- 1811Sense and Sensibility · Book
- 1922Compton effect · Discovery
- 1956Antineutron · Discovery
- 1988First Nagorno-Karabakh War · War (start)
- 2004MESSENGER · Spaceflight
Play this puzzle Today's hints Archive
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.

