Roman province of Pannonia is settled by Croats in the 7th century. Croats were a slavic tribe that came from Poland and Western Ukraine. This is the start of Croatia.
Invaders from Byzantine and Frank are defeated and the Croats become their own independent kingdom. peak of Kingdom is in the 11th century
Civil war happens in 1089 and its conquered by hungary in 1091
A document signed by croatian tribal chief and the hungarian king and it tied the two countries politically together
Croatia is ruled by Austrian King Ferdinand I of Hapsburg after the battle of mohac
Croatia being apart of Hungary is because of the Austro-Hungary Kingdom and it lasted until the the collapse of Austria-Hungary because of World War I
With It's independence from Hungary Croatia joined a union with Serbia, Slovenia, and Montenegro. In 1929 the union was named Yugoslavia.
Yugoslavia is taken over by Germany and Croatia becomes a Nazi controlled state. Thousands of Serbs and Jew are killed in the Four years Yugoslavia was being taken over by.
After World War II, Croatia was apart of the Socialist Federal Republic of Yugoslavia but still fought independence and in 1991 the Yugoslavia states broke up and Yugoslavia ended.