There are two main poltical parties in Spain the conservative Restoration, and the liberial Revolution party. There are many other ones but these two together have 50% of the people.
List of Parties
The Revolution party was founded by the leftests who led the Glorious Revolution. It was founded around the 1870, the party promotes a socially liberal and progressive platform, and its Parliamentary caucus is composed of progressives and liberals. The party is famous for being the first part to come out of the revolution strong.