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The 1879 Spanish general election was held on Sunday, 20 April and on Saturday, 3 May 1879, to elect the 1st Restoration Cortes of the Kingdom of Spain. All 392 seats in the Congress of Deputies were up for election, as well as 180 of 360 seats in the Senate.
The Spanish Constitution of 1876 enshrined Spain as a constitutional monarchy, awarding the monarch the right of legislative initiative together with the bicameral Cortes; the capacity to veto laws passed by the legislative body; the power to appoint senators and government ministers; as well as the title of commander-in-chief of the army and navy. The monarch would play a key role in the system of el turno pacífico (English: the Peaceful Turn) by appointing and dismissing governments and allowing the opposition to take power. Under this informal system, the major political parties at the time, the Conservatives and the Liberals—characterized as elite parties with loose structures dominated by internal factions, each led by powerful individuals—alternated in power by means of election rigging, which they achieved through the encasillado, assignating the seats in the general elections before they were held by using the links between the Ministry of Governance, the provincial civil governors and the local bosses (caciques) to ensure victory and exclude minor parties from the power sharing. The result was "a liberal system without democracy".
Electoral system
The Spanish Cortes were envisaged as "co-legislative bodies", based on a nearly perfect bicameralism. Both the Congress of Deputies and the Senate had legislative, control and budgetary functions, sharing equal powers except for laws on contributions or public credit, where the Congress had preeminence. Voting for the Cortes was on the basis of censitary suffrage, which comprised national males over twenty-five, being taxpayers with a minimum quota of twenty-five pesetas per territorial contribution or fifty per industrial subsidy, as well as being enrolled in the so-called capacity census (either by education criteria or for professional reasons).
For the Congress of Deputies, 88 seats were elected using a partial block voting system in 26 multi-member constituencies, with the remaining 304 being elected under a one-round first-past-the-post system in single-member districts. Candidates winning a plurality in each constituency were elected. In constituencies electing eight seats, electors could vote for up to six candidates; in those with seven seats, for up to five candidates; in those with six seats, for up to four; in those with four or five seats, for up to three candidates; and for one candidate in single-member districts. Additionally, up to ten deputies could be elected through cumulative voting in several single-member constituencies, provided that they obtained more than 10,000 votes overall. The Congress was entitled to one member per each 50,000 inhabitants, with each multi-member constituency being allocated a fixed number of seats: 8 for Madrid, 5 for Barcelona and Palma, 4 for Seville and 3 for Alicante, Almería, Badajoz, Burgos, Cádiz, Cartagena, Córdoba, Granada, Jaén, Jerez de la Frontera, La Coruña, Lugo, Málaga, Murcia, Oviedo, Pamplona, Santa Cruz de Tenerife, Santander, Tarragona, Valencia, Valladolid and Zaragoza. The law also provided for by-elections to fill seats vacated throughout the legislature.
The term of each chamber of the Cortes—the Congress and one-half of the elective part of the Senate—expired five years from the date of their previous election, unless they were dissolved earlier. The monarch had the prerogative to dissolve both chambers at any given time—either jointly or separately—and call a snap election.
Amendments in the electoral law throughout 1877 had seen the approval of separate laws for both chambers, with a modified version of the 1865 electoral law being provisionally reinstated for the Congress until a final, definitive law was approved in 1878.
In multi-member constituencies, votes have been allocated by calculating the arithmetic average of each candidacy and adding it to the votes of single-member constituencies.