Tønsberg (töns´bĕr), city (1995 pop. 32,975), capital of Vestfold co., SE Norway, a port on the Skagerrak near the mouth of the Oslofjord. It is a shipping center and has industries that manufacture forest products, processed food, leather, and silverware. Tønsberg was founded c.870 and is the oldest city of Norway.
"Tønsberg." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (November 16, 2018). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/tonsberg
"Tønsberg." The Columbia Encyclopedia, 6th ed.. . Retrieved November 16, 2018 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/tonsberg