date a globeHow it works

How old isthat globe?

Answer yes, no or can't see. When the years run out, your answer arrives in the style of your globe's own era.

One globe drawn in five slices, from an 1800s engraving to a web map
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How it works

1

LookEach question asks about one thing that changed on maps: a new country, a new name, a moved border or a new lake.

2

AnswerYes if your globe shows it, no if it doesn't, can't see if it's too small or off the edge. A misread or two is fine; the questions check each other.

3

NarrowEvery answer rules out years. After about a dozen questions you get the most likely range, to the month where the answers can tell.

Know a change we don't ask about? Add it