🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiTürkçeالعربية中文日本語EntityQ1911186· pop 12· linked from 54 articlesMaunsell fortsmall, fortified towers built in the Thames and Mersey estuariesWikidata factsImageRedsandsforts.jpgSources (3)wikidata.orgarchinform.neten.wikipedia.orgvia Wikidata · CC0On the map4 mapped locationsAvailable in 11 languagesEspañolFrançaisDeutschItalianoالعربيةCzechEsperantoMalayNederlandsPolskivia Wikidata sitelinks · CC0ConnectionsPaddy Roy BatesEntityThames EstuaryEntityCategories1942 establishments in England20th-century forts in EnglandArtificial islands of EnglandBritish Defence ForcesBritish World War II defensive linesCommons link is locally definedGeography of the River ThamesHistory of the North SeaHistory of the Royal NavyNorth Sea offshore buildings and structuresPirate radioRiver Mersey