A flood is an overflow of water that covers land which is normally dry. In the sense of "flowing water", the term can also refer to the incoming flow of tides. Floods are studied within the field of hydrology and are a major concern in areas such as agriculture, civil engineering, and public health.
List of floods
20th century BCE Jishi Gorge outburst flood about 1920 BCE
14th century Saint Marcellus' flood a storm tide is also called the "Second St. Marcellus flood". St. Mary Magdalene's flood occurred on and around the feast day of St. Mary Magdalene, 25 July; the passage of a Genoa low the rivers Rhine, Moselle, Main, Danube, Weser, Werra, Unstrut, Elbe, Vltava and their tributaries inundated large areas. Even the river Eider north of Hamburg flooded the surrounding land. Many towns such as Cologne, Mainz, Frankfurt am Main, Würzburg, Regensburg, Passau and Vienna were seriously damaged. The affected area extended to Carinthia and northern Italy. The overall number of casualties is not known, but it is believed that in the Danube area alone 6000 people were killed.
15th century
The All Saints Day Flood of 1436 (German: Allerheiligenflut) on All Saints' Day (1 November) 1436 was a storm tide that hit the entire North Sea coast of the German Bight. In the North Frisian village of Tetenbüll alone 173 people died. Eidum on the island of Sylt was destroyed; its inhabitants left and founded the village of Westerland as a result. List on Sylt was also abandoned after the floods and rebuilt further west. Dykes burst along the river Oste and in Kehdingen. The island of Pellworm was separated from neighbouring Nordstrand, Germany and only diked again in 1550.
16th century 1530 St. Felix's flood Mississippi River Flood of March 1543. The flooding reportedly lasted for 40 days.
17th century
The California Flood of 1605 was caused by heavy rains and covered many parts of California in water. The Burchardi Flood was a storm tide that struck the North Sea coast of North Frisia and Dithmarschen on the night between 11 and 12 October 1634. Overrunning dikes, it shattered the coastline and caused thousands of deaths (8,000 to 15,000 people drowned).
18th century
Christmas Flood of 1717. Flood in Netherlands, Germany, and Scandinavia. 14,000 drowned. Mississippi River Flood of December 1734 to June 1735. New Orleans was inundated by the flooding. New Hampshire Flood of 1740. The Merrimack River flooded in December. It is the first recorded flood in New Hampshire history. New Hampshire/Maine Flood of October 1785. In New Hampshire, a significant flood struck the Cocheco, Baker, Pemigewasset, Contoocook and Merrimack rivers on 23 October which established records at Lowell which held until 1902. The Androscoggin River flooded significantly, which destroyed many homesteads in what would become Bethel, Maine. Those that survived the flood moved uphill into less valuable, 100-acre (0.40 km2) plots. Turner's first mill was destroyed during this inundation. Great Pumpkin Flood of October 1786. Central Pennsylvania flood. Received its name due to the pumpkins that were washed away in the flood on 5 October. It was a major flood in the Susquehanna River basin. Mississippi River Flood of July 1788. Severe flooding of the Mississippi River resulted from a hurricane landfall Storofsen, Norway, flood of July 1789 Red River of the South flood of 1800. According to the Caddo tribe, a "great flood" moved down the river and reinforced the "Great Log Raft" on the river. This raft was a natural dam that increased water levels on some of the Red River tributaries. This process formed Caddo Lake.
19th century
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