The 1996 Italian general election was held on 21 April 1996 to elect members of the Chamber of Deputies and the Senate of the Republic. Romano Prodi, leader of the centre-left The Olive Tree, won the election, narrowly defeating Silvio Berlusconi, who led the centre-right Pole for Freedoms. For the election, the Northern League of Umberto Bossi ran alone after having left the Berlusconi I Cabinet in 1994, causing a crisis which drove President Oscar Luigi Scalfaro to appoint a technocratic cabinet led by Lamberto Dini, which in turn lost its parliamentary support in 1995, forcing Scalfaro to dissolve the Italian Parliament. The Communist Refoundation Party, led by Fausto Bertinotti, made a pre-electoral alliance with The Olive Tree, presenting its own candidates, supported by Prodi's coalition, mainly in some safe leftist constituencies, in exchange for supporting Olive Tree candidates on the other ones, and ensuring external support for a Prodi government. Electoral system The intricate electoral system of Italy, nicknamed as Mattarellum after Sergio Mattarella, who was the official proponent, provided a 75% of the seats on the Chamber of Deputies (the lower house) as elected by a plurality voting system, whereas the remaining 25% was assigned by proportional representation with a minimum threshold of 4%. If possible, the method associate on the Senate was even more complicated: 75% of seats by uninominal method, and 25% by a special proportional method that actually assigned the remaining seats to minority parties. General election Background In December 1994, following the communication of a new investigation from Milan magistrates that was leaked to the press, Umberto Bossi, leader of the Northern League, left the coalition claiming that the electoral pact had not been respected, forcing Berlusconi to resign from office and shifting the majority's weight to the centre-left side. The Northern League also resented the fact that many of its MPs had switched to Forza Italia, allegedly lured by promises of more prestigious portfolios. Berlusconi remained as caretaker prime minister for a little over a month until his replacement by a technocratic government headed by Lamberto Dini. Dini had been a key minister in the Berlusconi cabinet, and Berlusconi said the only way he would support a technocratic government would be if Dini headed it. In the end, Dini was only supported by most opposition parties and not by Forza Italia and Northern League. In December 1995, Dini resigned as Prime Minister and