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Did you know?
The Prague Astronomical Clock, a medieval astronomical clock that is attached to the Old Town Hall in Prague, was first installed in 1410. It is the world's third-oldest astronomical clock as well as the oldest clock in the world that is still in operation
![Picture The Prague Astronomical Clock – World’s Oldest Clock Still in Operation](https://unbelievable-facts.com/wp-content/uploads/2022/06/329_optimized-450x300-c-default.jpg)
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