Complex sentence: The fortress of "Richinstadt" was mentioned in a 1306 deed, the Czech name Zákupy first appeared in 1352, probably denoting two villages beneath the fort which grew together over the centuries.
Split into simpler sentences: The fortress of "Richinstadt" was mentioned in a 1306 deed. The Czech name "Zákupy" first appeared in 1352, probably denoting two villages beneath the fort, which grew together over the centuries.