Frauenfeld (frou´ənfĕlt), city (1993 pop. 20,300), capital of Thurgau canton, NE Switzerland, on the Murg River. Although it produces textiles, metal products, and food preserves, it is chiefly known for its 13th-century castle (now a museum), which was the seat (1712–98) of the federal diet.
"Frauenfeld." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 23, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/frauenfeld
"Frauenfeld." The Columbia Encyclopedia, 6th ed.. . Retrieved September 23, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/frauenfeld