It was formed in 1971 as a merger of the BGB party (the farmer, trade and citizen party) and the Democratic Parties of the cantons of Glarus and Graubünden.
The SVP is a right wing party which campaigned against illegal immigration and crime in the 2003 general election. It is Swiss nationalist and opposed to Swiss membership of the United Nations. It opposed Swiss banks giving compensation to victims of the holocaust.
The party is led by Ueli Maurer, the most popular SVP politician is Christoph Blocher, leader of the SVP in Zürich.
See also: List of political parties in Switzerland