the German-based Comintern press agencies. During the Spanish Civil War, the party contributed to the International Brigades by assisting the mobilization of volunteers from Austria and other countries. Election results At the national level, the Swiss Communist Party had its best electoral performances in the 1920s. In 1928, with 19,7% of the popular vote, it won 25 seats in the Grand Council of Basel-Stadt, the cantonal legislature of Basel-Stadt. At the federal level, the party received its highest vote share in the 1939 election, the last it contested, winning four seats in the National Council, the lower chamber of the Federal Assembly; it was never elected into the Council States (upper chamber). National Council References Switzerland Defunct communist parties in Switzerland Banned communist parties Political parties established in 1918 Political parties disestablished in 1944 1921 establishments in Switzerland 1944 disestablishments in Switzerland