"Count Erik Jönsson Dahlbergh (10 October 1625 – 16 January 1703) was a Swedish military engineer, Governor-general and Field marshal. He rose to the level of nobility ...
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through his military competence. As an architect and draftsman, he was renowned for fortification works. He is most known for his collection of engravings Suecia Antiqua et Hodierna, a collection of engravings of topographical research.
" - (en.wikipedia.org 28.12.2020)