The Polish queen Richeza, Count Palatine Ezzo's daughter and Emperor Otto II's granddaughter, quite probably stayed with her three children between 1040 and 1049 in Klotten, where she had herself built a chapel (Nikolauskirche, or Saint Nicholas's Church) and a dwelling tower, which was linked by a bridge to the chapel.

Her sarcophagus stands today in Cologne Cathedral, to the left below the High Altar, the "Epiphany Shrine".

The municipal election held on 26 May 2019 yielded the following results:[3][4] Klotten's mayor is Uli Oster.

Vorn in Silber ein roter Torturm mit 3 Zinnen, offenem Tor und 3 (2:1) offenen Fenstern.

[5] Klotten fosters partnerships with the following places: The following are listed buildings or sites in Rhineland-Palatinate’s Directory of Cultural Monuments: Since 2002, Saint Maximin's Church has housed a reliquary of Polish queen Richeza.