Historical Archive of the City of Cologne photographs of 284 charters from the Cologne archive. Directors of the Cologne municipal archive: Historical Archive of the City of Cologne The Historical Archive of the City of Cologne (, or for short) is the municipal archive of Cologne, Germany. It ranks among the largest communal archives in Europe. A municipal archive has existed in Cologne since the Middle Ages. The oldest inventory of charters in the archive is dated 1408/1409. The oldest document kept in the archive is a charter dated AD 922. The archive contains official records and private documents from all ages of Cologne history, as well
Cologne In January, the mean temperature is , while the mean temperature in July is . Temperatures can vary significantly over the course of a month with warmer and colder weather. Precipitation is spread evenly throughout the year with a light peak in summer due to showers and thunderstorms. Cologne is regularly affected by flooding from the Rhine and is considered the most flood-prone European city. A city agency ("Stadtentwässerungsbetriebe Köln", "Cologne Urban Drainage Operations") manages an extensive flood control system which includes both permanent and mobile flood walls, protection from rising waters for buildings close to the river banks, monitoring