Croatian Popular Party (Croatian: Hrvatska pučka stranka, pronounced [xř̩ʋaːtskaː pûːt͡ʃka strâŋka]) was a minor political party that acted as a political branch of the Croatian Catholic Movement and it existed between 1919 and 1929 in the Kingdom of Serbs, Croats and Slovenes. Until Stjepan Radić's assassination in National Assembly in Belgrade in 1928, the Croatian Catholic Movement was pro-Yugoslav, and after the assassination pro-Croatian within Yugoslavia. However, after the failure of the Yugoslav government to implement the concordate with the Holy See, the Croatian Catholic Movement became strictly pro-Croatian.