Cologne - the royal city

Kolín is located in an ancient residential area, which is evidenced by numerous archaeological finds directly from the city, but also from its immediate surroundings. The strategic location of this place was appreciated by the Czech ruler Přemysl Otakar II, who founded a royal city here sometime before 1261 as a support of his power.
A regular checkerboard street network with a large square with an area of ​​less than a hectare is considered by experts to be the oldest document...