The May 1977 issue of National Geographic

National Geographic is an educational magazine published by The National Geographic Socitey located in Washington, DC. The magazine was first published in 1888. In their May, 1977 issue they featured an article called The Celts: Europe's Founders, the article featured a section called Vive Les Celts devoted to Asterix with a comic strip exculsivly drawn for the magazine. The inclusion of the article was an attempt by Asterix's creator to make the character well-known in the United States. The strip was later reprinted in Asterix and the Class Act.