Socialist Party of the Islands of the Valencian Country (PSPV), part of the Socialist Coordination of the Catalan Countries. Ahead of the 1977 general election, PSI created an alliance together with MSM and MSEF, joining the People's Socialist Party (PSP) in the Socialist Unity (US) coalition. US did not gain any seat in the Congress nor in the Senate in the Balearic Islands constituency. After the election, PSI refused to merge with the Balearic federation of the Spanish Socialist Workers' Party, and instead founded the Socialist Party of Majorca (PSM). Socialist Party of the Islands Socialist Party of the Islands (Catalan: "Partit Socialista de les
Balearic Islands (Congress of Deputies constituency) Balearic Islands (Congress of Deputies constituency) The Balearic Islands (, )—Balearics until 2000 (, )—are one of the 52 constituencies () represented in the Congress of Deputies, the lower chamber of the Spanish parliament, the Cortes Generales. The constituency currently elects eight deputies. Its boundaries correspond with those of the Balearic Islands. The electoral system uses the D'Hondt method and a closed-list proportional representation, with a minimum threshold of 3 percent. The constituency was created as per the Political Reform Act 1977 and was first contested in the 1977 general election. The Act provided for the provinces of Spain to