Half a million deaths. A forgotten North Sea disaster...

January 13, 2018

 

Did you know that between 328,770 and 502,190 people lost their lives around the North Sea? On the flip side: millions of possible casualties have been prevented succesfully. For now at least...

 

Half a million casualties is a lot. How could we forget about such a huge number? Did nobody notice? Did nobody mention? It seems it is not even a public secret. Did we forget about it all together? Are we in denial?

 

Living along the North Sea coast is not easy. It is dangerous. The shoreline is as virtile as it is lethal. 

 

It is like living on a vulcano. But this vulcano is hard to see. And its lava eruptions are devastating storm floods. Like vulcanos, the sea shapes the land in a drastic manner. You will read in this blog about the sea creating giant lakes overnight. Some storms take entire islands in one night. Other floods create dozes of islands in just one storm. 

 

For millieniums the coastal people have been living in a deadly embrace with the sea. In the list of deadliest floods ever, the North Sea coast, in particular the Netherlands, surfaces three times. 

 

If you talk about climate change, the people of the North Sea know what you are talking about. And they developed quite a few successful survival techniques... and stopped having to count dead bodies. May be that is why we forgot about this disaster alltogether. 


How did we discover the forgotten North Sea disaster?

So how did we find out about the great number of deaths? On an old map we accidentally found three islands (right under Rottummeroog) that were washed away overnight and forgotten all together, Heffesant, Bosch and Moenkenlangenoe.

Sgrooten map of Frisian islands, 1573.

 

Exploring those islands revealed that there are many more islands washed away. It inspired us to write a blog post to create an overview of lost islands along the Frisia Coast Trail. It is work in progress. Tips are welcome! 

 

The article is called: Atlantis found! Wait, there is another one. No, 12 in total... 

 

So far we discovered 12 islands and 244 villages washed away entirely! That was beyond our imagination. No one ever talked about this disaster, not even our Dutch school teachers. We have one word for that: bizar.

 

While doing the research we stumbled upon a list of casualties, called Liste der Sturmfluten an der Nordsee. It is a list of Storm floods that haunted the North Sea coast for centuries.


The list indicates a conservative and realistic number of casualties. So we took the time to calculate the total amount of casualties per century

 

We took that as a basis to create a graphic. This is what happened over the last 2,000 years.

 

47% of the population washed away in four nights is beyond imagination

The floods in the 13th century took 47% of the total amount of inhabitants. Almost half the population! At the time of the flood there were 400.000 people living in the area (see page 9). The floods took 191.000 deaths in total.

 

Imagine this year only 8,4 million people would die in the Netherlands. That is 47% of the 18 million inhabitants in 2018. Mindboggling.

 

It is simply unheart of in the history of human kind. Does this huge number of casualties sink in yet? No? Here are some comparisons with some casualties of natural disasters and wars.

 

 

Still, not sinking in? Imagine half of your family and neighbours in the street you live in do not make it untill the end of the week. That is how many died. 

 

In the 13th and 14th century we see a huge peak of casualties. It accounts for 60% of the total deaths. Let's have a look at the three main murder suspects. 

 

1. First Saint Marcellus flood - 16th of January 1219

 

On the 16th of January 1219 the first Marcellusflood took between 36,000 and 100,000 casualties. 

 

The First St. Marcellus flood drowned people along the coasts of West Friesland and Groningen, as well as along the river Elbe and also Jade estuary.

 

2. Saint Lucia flood - 13th and 14th December 1287

 

On the night of the 13th and 14th of December 1287 the Saint Luciaflood hit the Dutch and German coasts again. It was a specifically heavy flood taking not only many dikes, but also some 50,000 casualties. 

 

Especially the Dollart area and the Lauwerssea were hit. The heaviness of this flood created an entire seaZuiderzee, the current IJsselmeer, or South sea as opposed to the North Sea.

 

3. Second Saint Marcellus flood - 15th and 17th January 1362

This flood was so desastruous that it was given a name of its own, the First Big "Mandränke". Mandränke translates into English with "Great Drowning of Men". Indeed, with 100,000 casualties that seems an appropriate name to us. 

 

It swept across the British Isles, the Netherlands, northern Germany, Schleswig, and Denmark, southern Jutland.

The severity of this flood shows in the fact that it created dozens of Halligen, marking the current landscape of Nord Friesland. The storm washed away the Nord Frisian "Uthlande", outlands. All there was left were some islands. 

Also the village Rungholt was washed away in this night. Some 30 to 40 villages were lost.



What would you do after being struck by such bizar disasters? Leave? Not the coastal people. They developed cojones like canon balls. They shook their heads, got their act together and stayed. And more importantly, they brought the number of casualties drastically down. Here is how.

 

Climate change solution 1.0 - Terps

Storm floods happened throughout all the centuries. What was the answer of the inhabitants? 

 

They were surely not intending to leave this virtile ground. They would stand their ground. They were prepared to move heaven and earth, if they had to. Well, they basically did. Their solution was indeed to ‘move earth’.

 

The Frisians have been building terps for centuries. A terp is a an artifical mound or platform which protects your farm house from high floods.

 

Terps are being made for more than 2,600 years. Although most terps have been build over the period 650 BC - AD 1050. 

 

Inspired? Here is a manual for making a terp in 12 Steps. Have fun! 

 

If you don’t think terps are up to date anymore, think again. Terps are still a useful solution. For example, the Wieringerwerf polder was reclaimed land in the province North-Holland somewhere in the 20th century. In the middle of the reclaimed land (or polder), they build a terp. And it proofed life saving when the Nazis destroyed the dikes around the polder in the WWII.

 

Only in the province of Friesland more than a thousand terps have been accounted for. Can you imagine the effort it took?

 

No? Here is a comparison for you. 

 

It has been calculated that the amount of clay to raise all the terps in the Netherlands is 10x needed for all pyramids combined.

 

So you can imagine, the North Sea people are not impressed at all by the pyramids. 

 

They are baffled at most. But for a different reason than you would expect.

 

Why on earth move earth to commemorate a handful of dead leaders (and kill thousands of people while building it)? 

 

Why not move the earth to save lives of millions of your people?

 

And there is more. Here are some statistics. You can do the maths.

 

Some 118 to 138 Egyptian pyramids have been build over a period of 1,000 years. It was calculated that at the times of the construction of the three big piramids some 1,000,000 people inhabited the land.

 

We estimate some 1,500 to 2,000 terps have been built in total in 1,700 years. The estimated amount of people living in this region was only around 30,000 to 50,000. 

 

Climate change solution 2.0 - Dikes

After the 14th century the terps were widespread across the coast line. A simple next step was to connect the terps and to create dikes. This helped to reduce the number of casualties drastically. 

 

Want to know how the dikes developed over time? This is how is happened in Friesland. The dikes became so important not only for protection but also for transportation that in nowadays Frisian the word for Dike and Highway is one and the same word (dyk).

 

 

 

Climate change solution 3.0 - Delta works

The third solution was implemented in the 20th century.  It is called the Zuiderzee and Delta works. The works is

"a series of construction projects in the southwest of the Netherlands to protect a large area of land around the Rhine-Meuse-Scheldt delta from the sea.

 

The works consist of dams, sluices, locks, dykes, levees, and storm surge barriers. The aim of the dams, sluices, and storm surge barriers was to shorten the Dutch coastline, thus reducing the number of dikes that had to be raised."

 

 

The Delta and Zuiderzee works have been declared, as among the Seven Wonders of the Modern World. So now you know how where the claim to fame comes from when they say: "God created the earth, the Dutch created their own".

 

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