The Zuiderzee or Zuider Zee (; old spelling ''Zuyderzee'' or ''Zuyder Zee'') was a shallow
bay of the
North Sea
The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
in the northwest of the
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 Netherl ...
, 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
Friesland (, ; official fry, Fryslân ), historically and traditionally known as Frisia, is a province of the Netherlands located in the country's northern part. It is situated west of Groningen, northwest of Drenthe and Overijssel, north of ...
, 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
The ''Afsluitdijk'' (; fry, Ofslútdyk; nds-nl, Ofsluutdiek; en, "Closure Dyke") is a major dam and causeway in the Netherlands. It was constructed between 1927 and 1932 and runs from Den Oever in North Holland province to the village of ...
, 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
The IJssel (; nds-nl, Iessel(t) ) is a Dutch distributary of the river Rhine that flows northward and ultimately discharges into the IJsselmeer (before the 1932 completion of the Afsluitdijk known as the Zuiderzee), a North Sea natural harbour ...
Lake) after the river that drains into it, and by means of drainage and
polder
A polder () is a low-lying tract of land that forms an artificial hydrological entity, enclosed by embankments known as dikes. The three types of polder are:
# Land reclaimed from a body of water, such as a lake or the seabed
# Flood plains s ...
s, an area of some was reclaimed as land. This land eventually became the province of
Flevoland
Flevoland () is the twelfth and youngest province of the Netherlands, established in 1986, when the southern and eastern Flevopolders, together with the Noordoostpolder, were merged into one provincial entity. It is in the centre of the countr ...
, with a population of nearly 400,000 (2011).
History and disasters
In classical times there was already a body of water in this location, called ''Lacus Flevo'' (
Lake Flevo
Lake Flevo was a lake in what is now the Netherlands, which existed in Roman times and the early Middle Ages. Some geographers believe that this lake was not really a single lake, rather a set of several lakes connected to each other.
From the ...
) by
Roman
Roman or Romans most often refers to:
*Rome, the capital city of Italy
*Ancient Rome, Roman civilization from 8th century BC to 5th century AD
*Roman people, the people of ancient Rome
*''Epistle to the Romans'', shortened to ''Romans'', a letter ...
authors. It was much smaller than its later forms and its connection to the main sea was much narrower; it may have been a complex of lakes and marshes and channels, rather than one lake.
Over time these lakes gradually eroded their soft
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 efficien ...
shores and spread (a process known as
waterwolf
Waterwolf, or Water-wolf is a Dutch word that comes from the Netherlands, which refers to the tendency of lakes in low lying peaty land, sometimes previously worn-down by men digging peat for fuel, to enlarge or expand by flooding, thus eroding th ...
). Some part of this area of water was later called the ''Vlie''; it probably flowed into the sea through what is now the
Vlie
The Vlie or Vliestroom is the seaway between the Dutch islands of Vlieland, to its southwest, and Terschelling, to its northeast. The Vlie was the estuary of the river IJssel in medieval times. In 1666 the English Admiral Robert Holmes burnt a ...
stroom channel between the islands of
Vlieland
Vlieland (; fry, Flylân) is a Municipalities of the Netherlands, municipality and island in the northern Netherlands. The municipality of Vlieland is the second most sparsely populated municipality in the Netherlands, after Schiermonnikoog.
V ...
and
Terschelling.
The
Marsdiep
The Marsdiep is a deep tide-race between Den Helder and Texel in the Netherlands, and running southwards between sandbanks. That gap connects the North Sea and the Waddenzee.
Around 1000 AD and before, much of the modern Waddenzee and IJsselmeer ...
was once a river (''fluvium Maresdeop'') which may have been a
distributary
A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel. Distributaries are a common feature of river deltas. The phenomenon is known as river bifurcation. The opposite of a distributar ...
of the
Vlie
The Vlie or Vliestroom is the seaway between the Dutch islands of Vlieland, to its southwest, and Terschelling, to its northeast. The Vlie was the estuary of the river IJssel in medieval times. In 1666 the English Admiral Robert Holmes burnt a ...
. During the early
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...
this began to change as
rising sea levels and storms started to eat away at the coastal areas which consisted mainly of peatlands. In this period the inlet was referred to as the
Almere
Almere () is a planned city and municipality in the province of Flevoland, Netherlands, located about 20 km to the east of Amsterdam (as the crow flies) across the IJmeer.
Bordering Lelystad and Zeewolde, the municipality of Almere comprise ...
, indicating it was still more of a lake, but the mouth and size of the inlet were much widened in the 12th century and especially after a disastrous flood in 1282 broke through the barrier dunes near
Texel
Texel (; Texels dialect: ) is a municipality and an island with a population of 13,643 in North Holland, Netherlands. It is the largest and most populated island of the West Frisian Islands in the Wadden Sea. The island is situated north of De ...
. The disaster marked the rise of
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 ...
on the southwestern end of the bay, since the seagoing traffic of the
Baltic
Baltic may refer to:
Peoples and languages
* Baltic languages, a subfamily of Indo-European languages, including Lithuanian, Latvian and extinct Old Prussian
*Balts (or Baltic peoples), ethnic groups speaking the Baltic languages and/or originati ...
trade could now visit.
The even more massive
St. Lucia's flood
North Holland, 1st-10th century
St. Lucia's flood (Sint-Luciavloed) was a storm tide that affected the Netherlands and Northern Germany on 13/14 December 1287 ( OS), St. Lucia Day and the day after, killing approximately 50,000 to 80,000 peo ...
occurred 14 December 1287, when the seawalls broke during a storm, killing approximately 50,000 to 80,000 people in the fifth largest flood in recorded history. The name "Zuiderzee" came into general usage around this period.
The size of this inland sea remained largely stable from the 15th century onwards due to improvements in
dikes
Dyke (UK) or dike (US) may refer to:
General uses
* Dyke (slang), a slang word meaning "lesbian"
* Dike (geology), a subvertical sheet-like intrusion of magma or sediment
* Dike (mythology), ''Dikē'', the Greek goddess of moral justice
* Dikes ...
, but when storms pushed North Sea water into the inlet, the Zuiderzee became a volatile cauldron of water, frequently resulting in flooding and the loss of ships. For example, on 18 November 1421, a
seawall
A seawall (or sea wall) is a form of coastal defense constructed where the sea, and associated coastal processes, impact directly upon the landforms of the coast. The purpose of a seawall is to protect areas of human habitation, conservation ...
at the Zuiderzee dike broke, which flooded 72 villages and killed about 10,000 people. This was the Second
St. Elizabeth's flood.
The Netherlands was part of the
First French Empire
The First French Empire, officially the French Republic, then the French Empire (; Latin: ) after 1809, also known as Napoleonic France, was the empire ruled by Napoleon Bonaparte, who established French hegemony over much of continental Eu ...
between 1810 and 1813. A
département
In the administrative divisions of France, the department (french: département, ) is one of the three levels of government under the national level ("territorial collectivity, territorial collectivities"), between the regions of France, admin ...
was formed in 1811 and named as
Zuyderzée
Zuyderzée (, "Southern Sea", ) was a department of the First French Empire in the present-day Netherlands. It is named after the Zuiderzee sea inlet. It was formed in 1810, when the Kingdom of Holland was annexed by France. Its territory correspo ...
after the Zuiderzee, whose territory roughly corresponded to the present provinces of
North Holland
North Holland ( nl, Noord-Holland, ) is a province of the Netherlands in the northwestern part of the country. It is located on the North Sea, north of South Holland and Utrecht, and west of Friesland and Flevoland. In November 2019, it had a ...
and
Utrecht
Utrecht ( , , ) is the List of cities in the Netherlands by province, fourth-largest city and a List of municipalities of the Netherlands, municipality of the Netherlands, capital and most populous city of the Provinces of the Netherlands, pro ...
.
In 1928, the
6-meter and
8-meter sailing events for the Amsterdam
Summer Olympics
The Summer Olympic Games (french: link=no, Jeux olympiques d'été), also known as the Games of the Olympiad, and often referred to as the Summer Olympics, is a major international multi-sport event normally held once every four years. The inau ...
were held on the Zuiderzee.
1928 Summer Olympics official report.
pp. 271–272, 274.
Geography and development
Around the Zuiderzee many fishing villages grew up and several developed into walled towns with extensive trade connections, in particular Kampen, a town in Overijssel
Overijssel (, ; nds, Oaveriessel ; german: Oberyssel) is a Provinces of the Netherlands, province of the Netherlands located in the eastern part of the country. The province's name translates to "across the IJssel", from the perspective of the ...
, and later also towns in 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 c ...
such as Amsterdam, Hoorn
Hoorn () is a city and municipality in the northwest of the Netherlands, in the province of North Holland. It is the largest town and the traditional capital of the region of West Friesland. Hoorn is located on the Markermeer, 20 kilometers ( ...
, and Enkhuizen
Enkhuizen () is a municipality and a city in the Netherlands, in the province of North Holland and the region of West-Frisia.
History
Enkhuizen, like Hoorn and Amsterdam, was one of the harbor-towns of the VOC, from where overseas trade wi ...
. These towns traded at first with ports on the Baltic Sea
The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden and the North and Central European Plain.
The sea stretches from 53°N to 66°N latitude and from ...
, in England, and in the Hanseatic League
The Hanseatic League (; gml, Hanse, , ; german: label=Modern German, Deutsche Hanse) was a medieval commercial and defensive confederation of merchant guilds and market towns in Central and Northern Europe. Growing from a few North German to ...
, but later also with the rest of the world when the Netherlands established its colonial empire
A colonial empire is a collective of territories (often called colonies), either contiguous with the imperial center or located overseas, settled by the population of a certain state and governed by that state.
Before the expansion of early mode ...
. When that lucrative trade diminished, most of the towns fell back on fishing and some industry
Industry may refer to:
Economics
* Industry (economics), a generally categorized branch of economic activity
* Industry (manufacturing), a specific branch of economic activity, typically in factories with machinery
* The wider industrial sector ...
until the 20th century when tourism became the major source of income.
Contained within the Zuiderzee were five small islands, the remains of what were once larger islands, peninsula
A peninsula (; ) is a landform that extends from a mainland and is surrounded by water on most, but not all of its borders. A peninsula is also sometimes defined as a piece of land bordered by water on three of its sides. Peninsulas exist on all ...
s connected to the mainland
Mainland is defined as "relating to or forming the main part of a country or continent, not including the islands around it egardless of status under territorial jurisdiction by an entity" The term is often politically, economically and/or dem ...
, or in the case of Pampus
Pampus () is an artificial island and late 19th-century sea fort located in the IJmeer near Amsterdam. Pampus now belongs to the municipality of Gooise Meren and is open to visitors.
Together with the artillery battery on the lighthouse isla ...
, an artificial island. These were Wieringen
Wieringen () is part of the municipality of Hollands Kroon, established in 2012 in the province of North Holland in the Netherlands. It is a former municipality in this province, with its name appearing in records of the late 9th and early 10th ...
, Urk
Urk () is a municipality and a town in the Flevoland province in the central Netherlands.
Urk is first mentioned in historical records dating to the 10th century, when it was still an island in the Zuiderzee, an inland sea that would become part ...
, Schokland
Schokland () is a former island in the Dutch Zuiderzee, in the municipality of Noordoostpolder. Schokland was an elongated strip of peat land which ceased to be an island when the Noordoostpolder was reclaimed from the sea in 1942. It is now just ...
, Pampus and Marken
Marken (; Marken's dialect: ''Mereke'') is a village in the municipality of Waterland in the province of North Holland, Netherlands. It had a population of 1,745 as of 2021, and occupies a peninsula in the Markermeer. It was, until 1957, an isla ...
. The inhabitants of these islands also subsisted mainly on fishing and related industries and still do in the case of Urk and Wieringen. All of these islands, except for Pampus, are now part of the mainland or connected to it.
The construction in the early 20th century of a large enclosing dam (the Afsluitdijk
The ''Afsluitdijk'' (; fry, Ofslútdyk; nds-nl, Ofsluutdiek; en, "Closure Dyke") is a major dam and causeway in the Netherlands. It was constructed between 1927 and 1932 and runs from Den Oever in North Holland province to the village of ...
) tamed the Zuiderzee. The creation of this dam was a response to the flood of January 1916. Plans for closing the Zuiderzee had been made over thirty years earlier but had not yet passed in parliament
In modern politics, and history, a parliament is a legislative body of government. Generally, a modern parliament has three functions: Representation (politics), representing the Election#Suffrage, electorate, making laws, and overseeing ...
. With the completion of the Afsluitdijk in 1932, the Zuiderzee became the IJsselmeer, and large areas of water could be reclaimed for farming and housing. These areas, known as polder
A polder () is a low-lying tract of land that forms an artificial hydrological entity, enclosed by embankments known as dikes. The three types of polder are:
# Land reclaimed from a body of water, such as a lake or the seabed
# Flood plains s ...
s, were respectively the Wieringermeer
Wieringermeer () is a former municipality and a polder in the Netherlands, in the province of North Holland. Since 2012 Wieringermeer has been a part of the new municipality of Hollands Kroon.
Population centres
The former municipality of Wie ...
, the Noordoostpolder and Flevoland
Flevoland () is the twelfth and youngest province of the Netherlands, established in 1986, when the southern and eastern Flevopolders, together with the Noordoostpolder, were merged into one provincial entity. It is in the centre of the countr ...
.
This enormous project under the direction of Cornelis Lely
Cornelis Lely (; 23 September 1854 – 22 January 1929) was a Dutch politician of the Liberal Union (LU) and civil engineer. He oversaw the passage of an act of parliament authorising construction of the Zuiderzee Works, a huge project – desi ...
, called the Zuiderzee Works
The Zuiderzee Works ( nl, Zuiderzeewerken) is a man-made system of dams and dikes, land reclamation and water drainage work, in total the largest hydraulic engineering project undertaken by the Netherlands during the twentieth century. The proje ...
, ran from 1919 to 1986, culminating in the creation of the new province
A province is almost always an administrative division within a country or sovereign state, state. The term derives from the ancient Roman ''Roman province, provincia'', which was the major territorial and administrative unit of the Roman Empire ...
of Flevoland. The reclamation project was originally intended to also reclaim the former southwestern portion of the Zuiderzee, a polder that would have been called the Markerwaard 200px, The Markerwaard would be on what is now the Markermeer
The Markerwaard is the name of a proposed, but never built, polder adjoining the IJsselmeer in the central Netherlands. Its construction would have resulted in the near-total reclamat ...
, but this final stage of the reclamation project was indefinitely postponed in the 1980s.
See also
* Almere (lake)
Lake Almere was an inland lake in the place of today's IJsselmeer in the center of the Netherlands.
History
The texts of ancient Romans called it Lake Flevo.
Lake Almere is mentioned among others in a life of saints written by Anglo-Saxon Bisho ...
References
External links
Zuiderzee Museum
dedicated to the history and culture of the former Zuiderzee
Zuiderzee Cycle Route
long-distance cycle route around the former Zuiderzee
*
{{Authority control
Venues of the 1928 Summer Olympics
Bays of the Netherlands
Former bays
Sailing at the 1928 Summer Olympics