History
Rotterdam History: Maritime Heritage & Wartime Stories
A port city built twice: once slowly over seven centuries, once again in a single generation after 1940.
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Rotterdam grew from a medieval fishing village on the Rotte river into Europe's largest port. On 14 May 1940, German bombing destroyed the historic centre; a 2022 official name list identified 713 civilian deaths from that day and 1,185 total deaths across the fighting of 10-14 May 1940, correcting a long-repeated wartime estimate of roughly 30,000 (source: Stichting Voorouder/Stadsarchief Rotterdam, 2022).
The bombing of 14 May 1940: the corrected death toll
For decades, a wartime propaganda figure of roughly 30,000 dead was repeated as fact. Archival research by Stichting Voorouder, in partnership with Stadsarchief Rotterdam and completed in 2022, cross-checked bomb-location maps, wartime newspapers and cadastral records to build a name-by-name list. The result: 713 civilian deaths directly attributable to the bombing of 14 May 1940, and 1,185 total identified deaths (civilian and military, Dutch, British and German) across the fighting of 10-14 May 1940 (source: voorouder.nl, official research project, primary, 2022 findings, accessed 2026-08-05). The bombing also destroyed roughly 2.6 km² of the city centre and left tens of thousands of residents homeless (source: secondary estimates, cross-referenced with contemporaneous damage surveys).
The forgotten 1943 bombing of Delfshaven
A second, lesser-known bombing hit the city three years later, this time by mistake. On 31 March 1943, Allied bombers aiming for the Wilton-Fijenoord shipyard in nearby Schiedam misidentified their target; roughly 100 high-explosive bombs fell instead on Delfshaven's harbour and the Bospolder-Tussendijken neighbourhood, killing at least 417 people (source: De Havenloods, corroborated by Dutch Wikipedia's Delfshaven entry, both citing the same casualty count). Historic Delfshaven's 17th-century core, with its canals and warehouses, lay outside the Luftwaffe's target zone in 1940 and so escaped that earlier bombing; no source gives a fully definitive reason why. See the things-to-do guide for a visitor-focused description of Delfshaven today.
From fishing village to Europe's largest port
The 1940 destruction is one chapter in a longer story of reinvention that runs back to the Middle Ages, when Rotterdam began as a fishing settlement on the Rotte river. Post-war reconstruction deliberately broke from traditional Dutch gabled-house architecture in favour of modern, functional design, the direct root of Rotterdam's current skyline; see the Rotterdam architecture guide for that story in full. For the city's maritime history in person, the Maritiem Museum Rotterdam at Leuvehaven 1 is open Tuesday to Saturday 10:00-17:00 and Sunday/holidays 11:00-17:00 in 2026, with Monday openings added during school holidays (source: maritiemmuseum.nl, 2026). Delfshaven has its own transatlantic story too: see the Pilgrim Fathers in Rotterdam for why the Speedwell, not the Mayflower, sailed from here in 1620.
Frequently Asked Questions
How many people died in the bombing of Rotterdam?
A name-by-name archival study by Stichting Voorouder, completed in 2022, identified 713 civilian deaths from the bombing of 14 May 1940 itself, and 1,185 total identified deaths (civilian and military, Dutch, British and German) from the fighting of 10-14 May 1940. This replaced a long-repeated wartime estimate of around 30,000.
Why was the old figure of 30,000 deaths wrong?
The 30,000 figure originated as a wartime propaganda estimate and was repeated for decades without verification. A 2022 name-by-name archival study, cross-checking bomb-location maps, wartime newspapers and cadastral records, established the accurate, much lower toll.
Did any part of central Rotterdam survive the 1940 bombing?
Yes. Historic Delfshaven, with its 17th-century canals and warehouses, lay outside the bombing's target zone and was not hit on 14 May 1940, though it was later struck in a separate, mistaken bombing in 1943.
What happened to Delfshaven in 1943?
On 31 March 1943, Allied bombers aiming for the Wilton-Fijenoord shipyard in nearby Schiedam misidentified their target and hit Delfshaven's harbour and the Bospolder-Tussendijken neighbourhood instead, killing at least 417 people.
Where can I learn more about Rotterdam's maritime history in person?
The Maritiem Museum Rotterdam, at Leuvehaven 1, covers the city's full maritime history and is open Tuesday to Saturday 10:00-17:00 and Sunday/holidays 11:00-17:00 in 2026.