The flood that occurred at the turn of October and November of 1787 was probably the second largest one on record of the last millenium in the River Danube. This "All Saints´flood hit most badly the Austrian reach of the Upper Danube and the Slovak section of the Middle Danube with the severest material damage to the area of contemporary greater Bratislava (suburbs of Petržalka and Rusovce). With the estimated peak flow of 11,800 m3.s-1 it had a character of a 200-500 year flood in Bratislava. This paper is aimed to reconstruct the causes, course and effects of the flood, mainly based on analysis of contemporary reports published in the local German newspaper Presburger Zeitung, supplemented by the 1781-1790 manuscipt maps. This flood was exceptional for its occurrence in the autumn period with pronounced geomorphic effects. Fortunately, the high flow only took a minimum toll of lives in Slovakia and its destructive impact on residential buildings, boat mills and vessels was not as devastating as in the case of other large floods, especially those caused by the jammed ice. Nevertheless, it was one of the most destructive events (1787, 1809) that badly damaged the right-bank artificial levee of Petržalka, an important local protective structure intended to prevent flooding and facilitate transportation to Vienna.
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