 Other significant parties formed in the era were the Serb People 's Independent Party , which later formed the Croat @-@ Serb Coalition with the Party of Rights and other Croat and Serb parties . The Coalition ruled Croatia between 1903 and 1918 . The leaders of the Coalition were <unk> <unk> and <unk> <unk> . The Croatian <unk> Party ( HSS ) , established in 1904 and led by Stjepan <unk> , advocated Croatian autonomy but achieved only moderate gains by 1918 . In Dalmatia , the two major parties were the People 's Party – a branch of the People 's Party active in Croatia @-@ Slavonia – and the <unk> Party , advocating maintaining autonomy of Dalmatia , opposite to the People 's Party demands for unification of Croatia @-@ Slavonia and Dalmatia . The <unk> Party , most notably led by Antonio <unk> , was also linked to Italian <unk> . By 1900 , the Party of Rights had made considerable gains in Dalmatia . The <unk> won the first three elections , but all elections since 1870 were won by the People 's Party . In the period 1861 – 1918 there were seventeen elections in the Kingdom of Croatia @-@ Slavonia and ten in the Kingdom of Dalmatia . 
