Croatia goes to the polls Sunday to elect a president who will serve as head of state of the Adriatic nation, which joined the EU in 2013.

The war between Croatia and Serbia finally ended with the U.S.-brokered Dayton (Ohio) Agreement in November 1995, but violence spread to Bosnia and to Kosovo, where Christian Serbs fought Muslims.

Following are key facts about Croatia's general election on Sunday.

An earthquake in Croatia led to a chain of events that helped archaeologists recently discover an ancient Roman theater, officials say.

Croatia scores an equalizer late in extra time and is flawless on penalty kicks to eliminate the five-time champions and advance to the semifinal.

Croatia will be playing Nigeria for the first time The Europeans only World Cup game against an African opposition came off in 2014 against Cameroon and they triumphed 4-0.