All Saints' Flood (1170)
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All Saints' Flood (1170)
The All Saints' Flood of 1170 (Allerheiligenvloed) was a catastrophic flood in the Netherlands that took place in 1170. Large parts of the Northern Netherlands, and Holland territories were overflowed. The flooding North Sea created the islands of Wieringen and Texel. Lake Flevo was once a fresh water lake, but . The Creiler Woods vanished under the waves. The sea area increased inside the Netherlands and large peat areas developed, which were easily washed away. The flood rendered the settlement of Rotta (the predecessor of Rotterdam) uninhabitable, and marked the beginning of Amsterdam, where the area gained an open connection to the sea, and where a dam was built in the Amstel to protect the land from future floods. See also * Floods in the Netherlands This is a chronological list of sea-floods that have occurred in the Netherlands. In addition to these there have been hundreds of river floods during the centuries. See also *Flood control in the Netherlands Reference ...
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Netherlands
) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherlands , established_title2 = Act of Abjuration , established_date2 = 26 July 1581 , established_title3 = Peace of Münster , established_date3 = 30 January 1648 , established_title4 = Kingdom established , established_date4 = 16 March 1815 , established_title5 = Liberation Day (Netherlands), Liberation Day , established_date5 = 5 May 1945 , established_title6 = Charter for the Kingdom of the Netherlands, Kingdom Charter , established_date6 = 15 December 1954 , established_title7 = Dissolution of the Netherlands Antilles, Caribbean reorganisation , established_date7 = 10 October 2010 , official_languages = Dutch language, Dutch , languages_type = Regional languages , languages_sub = yes , languages = , languages2_type = Reco ...
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Rotte (river)
The Rotte is a river in the Rhine-Meuse, Maas-delta in the Netherlands. The Rotte is the eponym of the city of Rotterdam: the city was founded in the 13th century when a dam was built along the river. Etymology The river was originally named Rotta, from ''rot,'' meaning "muddy" and ''aa'' meaning "water," thus "muddy water." Geography It rises in Moerkapelle in the so-called Groene Hart, Green Heart. It used to drain the Zuidplaspolder, Zuidplas lake until it was Land reclamation, reclaimed in 1840. It flows past Bleiswijk and Bergschenhoek; and then the village of Hillegersberg, which was built on a sand dune and was one of the few places in the marsh land that could be permanently settled before the dikes were constructed. In the churchyard there are the ruins of a 13th century castle whose origins probably date back to the Roman Empire. Originally it flowed into the Nieuwe Maas in Rotterdam; however, the lower reach of the river was dammed off and the water now flows to th ...
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12th Century In The Netherlands
1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. In conventions of sign where zero is considered neither positive nor negative, 1 is the first and smallest positive integer. It is also sometimes considered the first of the infinite sequence of natural numbers, followed by  2, although by other definitions 1 is the second natural number, following  0. The fundamental mathematical property of 1 is to be a multiplicative identity, meaning that any number multiplied by 1 equals the same number. Most if not all properties of 1 can be deduced from this. In advanced mathematics, a multiplicative identity is often denoted 1, even if it is not a number. 1 is by convention not considered a prime number; this was not universally accepted until the mid-20th century. Additionally, 1 is the s ...
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12th-century Floods
1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. In conventions of sign where zero is considered neither positive nor negative, 1 is the first and smallest positive integer. It is also sometimes considered the first of the infinite sequence of natural numbers, followed by  2, although by other definitions 1 is the second natural number, following  0. The fundamental mathematical property of 1 is to be a multiplicative identity, meaning that any number multiplied by 1 equals the same number. Most if not all properties of 1 can be deduced from this. In advanced mathematics, a multiplicative identity is often denoted 1, even if it is not a number. 1 is by convention not considered a prime number; this was not universally accepted until the mid-20th century. Additionally, 1 is the s ...
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Floods In The Netherlands
This is a chronological list of sea-floods that have occurred in the Netherlands. In addition to these there have been hundreds of river floods during the centuries. See also *Flood control in the Netherlands References {{reflist External links Christmas Day flood 1717 map
Medieval weather events

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Amstel
The Amstel () is a river in the province of North Holland in the Netherlands. It flows from the Aarkanaal and Drecht in Nieuwveen northwards, passing Uithoorn, Amstelveen, and Ouderkerk aan de Amstel, to the IJ in Amsterdam. Annually, the river is the location of the Liberation Day concert, Head of the River Amstel rowing match, and the Amsterdam Gay Pride boat parade. Etymology The name ''Amstel'' and the older form ''Aemstel'' are derived from ''Amestelle'', which is a compound of the words '' aam'' or ''ame'' meaning water and '' stelle'' meaning solid, high, and dry ground.G. van Berkel & K. Samplonius,Amsterdam (Amsterdam, NH) (in Dutch), ''Nederlandse plaatsnamen verklaard'', 2018. Retrieved on 10 October 2020.Nederlandsche plaatsnamen
(in Dutch), ''

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Amsterdam
Amsterdam ( , , , lit. ''The Dam on the River Amstel'') is the Capital of the Netherlands, capital and Municipalities of the Netherlands, most populous city of the Netherlands, with The Hague being the seat of government. It has a population of 907,976 within the city proper, 1,558,755 in the City Region of Amsterdam, urban area and 2,480,394 in the Amsterdam metropolitan area, metropolitan area. Located in the Provinces of the Netherlands, Dutch province of North Holland, Amsterdam is colloquially referred to as the "Venice of the North", for its large number of canals, now designated a World Heritage Site, UNESCO World Heritage Site. Amsterdam was founded at the mouth of the Amstel River that was dammed to control flooding; the city's name derives from the Amstel dam. Originally a small fishing village in the late 12th century, Amsterdam became a major world port during the Dutch Golden Age of the 17th century, when the Netherlands was an economic powerhouse. Amsterdam is th ...
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Rotterdam
Rotterdam ( , , , lit. ''The Dam on the River Rotte'') is the second largest city and municipality in the Netherlands. It is in the province of South Holland, part of the North Sea mouth of the Rhine–Meuse–Scheldt delta, via the ''"New Meuse"'' inland shipping channel, dug to connect to the Meuse first, but now to the Rhine instead. Rotterdam's history goes back to 1270, when a dam was constructed in the Rotte. In 1340, Rotterdam was granted city rights by William IV, Count of Holland. The Rotterdam–The Hague metropolitan area, with a population of approximately 2.7 million, is the 10th-largest in the European Union and the most populous in the country. A major logistic and economic centre, Rotterdam is Europe's largest seaport. In 2020, it had a population of 651,446 and is home to over 180 nationalities. Rotterdam is known for its university, riverside setting, lively cultural life, maritime heritage and modern architecture. The near-complete destruction ...
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Peat
Peat (), also known as turf (), is an accumulation of partially decayed vegetation or organic matter. It is unique to natural areas called peatlands, bogs, mires, moors, or muskegs. The peatland ecosystem covers and is the most efficient carbon sink on the planet, because peatland plants capture carbon dioxide (CO2) naturally released from the peat, maintaining an equilibrium. In natural peatlands, the "annual rate of biomass production is greater than the rate of decomposition", but it takes "thousands of years for peatlands to develop the deposits of , which is the average depth of the boreal orthernpeatlands", which store around 415 gigatonnes (Gt) of carbon (about 46 times 2019 global CO2 emissions). Globally, peat stores up to 550 Gt of carbon, 42% of all soil carbon, which exceeds the carbon stored in all other vegetation types, including the world's forests, although it covers just 3% of the land's surface. ''Sphagnum'' moss, also called peat moss, is one of th ...
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Holland
Holland is a geographical regionG. Geerts & H. Heestermans, 1981, ''Groot Woordenboek der Nederlandse Taal. Deel I'', Van Dale Lexicografie, Utrecht, p 1105 and former province on the western coast of the Netherlands. From the 10th to the 16th century, Holland proper was a unified political region within the Holy Roman Empire as a county ruled by the counts of Holland. By the 17th century, the province of Holland had risen to become a maritime and economic power, dominating the other provinces of the newly independent Dutch Republic. The area of the former County of Holland roughly coincides with the two current Dutch provinces of North Holland and South Holland into which it was divided, and which together include the Netherlands' three largest cities: the capital city (Amsterdam), the home of Europe's largest port (Rotterdam), and the seat of government (The Hague). Holland has a population of 6,583,534 as of November 2019, and a population density of 1203/km2. The name '' ...
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Zuiderzee
The Zuiderzee or Zuider Zee (; old spelling ''Zuyderzee'' or ''Zuyder Zee'') was a shallow bay of the North Sea in the northwest of the Netherlands, extending about 100 km (60 miles) inland and at most 50 km (30 miles) wide, with an overall depth of about 4 to 5 metres (13–16 feet) and a coastline of about 300 km (200 miles). It covered . Its name is Dutch for "southern sea", indicating that the name originates in Friesland, to the north of the Zuiderzee (cf. North Sea). In the 20th century the majority of the Zuiderzee was closed off from the North Sea by the construction of the Afsluitdijk, leaving the mouth of the inlet to become part of the Wadden Sea. The salt water inlet changed into a fresh water lake now called the IJsselmeer (IJssel Lake) after the river that drains into it, and by means of drainage and polders, an area of some was reclaimed as land. This land eventually became the province of Flevoland, with a population of nearly 400,000 (2011) ...
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Creil Woods
The Creil Woods ''Dutch: Creiler Woud'' or ''Kreilse Bos'' was a forest in an area that is now partially the northeast of North Holland and partially submerged in the IJsselmeer and Wadden Sea, between what is currently Texel and Enkhuizen. The woods are known for having been the location of a large hunt organised by Floris II, Count of Holland in 1119. The 1170 All Saints' Flood largely destroyed the forest as it was submerged during the birth of the Zuiderzee. Part of the area that the forest once inhabited has been reclaimed as the Wieringermeer Polder in 1927. Remains of the forest can still be found on the floor of the Wadden Sea and IJsselmeer. The Creil Woods is the namesake to the towns of Creil, Kreil and Kreileroord Kreileroord is a village in the Dutch province of North Holland. It is a part of the municipality of Hollands Kroon, and lies about 21 km north of Hoorn. The settlement started around 1930 as Dorp IV (village IV). In the 1950s, the current ... ...
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