 The association organized a national football league in 1912.In 1918, during the last days of World War I, the Croatian parliament abolished the Hungarian-Croatian personal union, and both parts of the Kingdom of Croatia and Slavonia and the Kingdom of Dalmatia (excluding Zadar and Lastovo), became part of the State of Slovenes, Croats and Serbs, which together with the Kingdom of Serbia, formed the Kingdom of Serbs, Croats and Slovenes (later known as the Kingdom of Yugoslavia).The new Serb-Croat-Slovene Kingdom was divided into counties between 1918 and 1922 and into oblasts between 1922 and 1929.