The biggest castle in Europe is Pražsky Hrad which is situated in Praha.
In medieval Czech Republic, settlement, to get the status of the town, had to have a court, customs and brewery.
The term "robot" coined by Czech writer Karel Capek. But at first in his play he called humanoid mechanisms "Labora" (from Latin "labor" - work), but this a word he did not like. Then, on the advice of his brother Joseph, he renamed them into robots.