Gunnar Kaasen was a Norwegian-born musher who delivered a cylinder containing 300,000 units of diphtheria antitoxin to Nome, Alaska, in 1925, as the last leg of a dog sled relay that saved the U.S. city from an epidemic.

Nome is a city in the Nome Census Area in the Unorganized Borough of the US state of Alaska. The city is located on the southern Seward Peninsula coast on Norton Sound of the Bering Sea. It had a population of 3,699 recorded in the 2020 census, up from 3,598 in 2010. Nome was incorporated on April 9, 1901. It was once the most-populous city in Alaska. Nome lies within the region of the Bering Straits Native Corporation, which is headquartered in Nome.