Flag of Trondheim Mars in his radio show "99% invisible", a radio show focused on design and architecture. Flag of Trondheim The flag of Trondheim is one of the official symbols of the city and municipality of Trondheim in Norway. Most Norwegian municipalities have a banner of their respective coats of arms as a flag. As Trondheim has no modern heraldic coat of arms, but a seal that is unsuitable as a banner of arms, a yellow "Trondheim rose" on a red field was instead chosen for the flag of Trondheim. The designer of the flag was professor Arne E. Holm, whose proposal
Trondheim city and its citizens were also subject to harsh treatment by the occupying powers, including imposition of martial law in October 1942. During this time the Germans turned the city and its environs into a major base for submarines (which included building the large submarine base and bunker DORA I), and also contemplated a scheme to build a new city for 300,000 inhabitants, "Nordstern" ("Northern Star"), centred southwest of Trondheim, near the wetlands of Øysand in the outskirts of Melhus municipality. This new metropolis was to be accompanied by a massively expanded version of the already existing naval base, which