An important turning point in the development in the Amstel river mouth was the All Saint's Flood of 1170. In an especially small length of time, the shallow river IJ turned into a wide estuary, which from then on supplied the Amstel an open link on the Zuiderzee, IJssel and https://borduur-en-opdruk32085.sunderwiki.com/848622/5_simple_techniques_for_prayer_for_forgiveness