 Juvenuile organisations started to emerge in the early 1900s as branches of various political movements; in 1903 a first juvenile socialist group appeared in Bilbao and in 1906 Federación de Juventudes Socialistas staged its national congress.In 1904 the Basque nationalists set up Juventud Vasca.The same year in Barcelona the radical republicans founded Juventud Republicana, operating under a colloquial name of "jóvenes bárbaros"; in 1911 they formed Federación de Juventudes Radicales.