The Dollart Flood refers to a significant flood event that occurred in the Dollart, a bay located on the border between Germany and the Netherlands. This flood took place in 1509 and was caused by a combination of heavy rainfall and storm surges. The event led to the inundation of large areas of land, resulting in the loss of homes and agricultural land. The flood had lasting impacts on the region, altering the landscape and affecting local communities. It also prompted changes in flood management practices and land use in the area, as residents sought to protect themselves from future flooding events.