In front of the city hall is a statue of King Petar Karadjordjevic. The monument is of the Serbian king from 1903-1918. During the Second World War the Ustaše removed it. After World War Two the communist governement refused to return the monument. The first non-communist local government returned the monument in 1991.

Monastery Tavna

Monastery Tavna is located in the southern part of Bijeljina municipality. It was originally built by Dragutin's sons Vladislav i Urosic. Stefan Dragutin was the King of Serbia from 1276 to 1282 and king of Srem from 1282 to 1316. The present church of monastery Tavna, is built in the same place as the original. Tavna is older than the other monasteries in the region such as Ozrena, Liplja, Vozuce and Gostovica. Tavna was damaged in the first years of Turkish rule, but was restored by the people. This was not the only time the monastery was damaged. It was damaged many times during the Turkish period and also during World War Two. Between 1941 and 1945 Tavna was bombed by the Ustase. On one of the gravestones it says "Zdravko Jovacnovic Killed 1943 by the Ustasa Blue Division protecting and defending the monastery". After World War Two Tavna was rebuilt.

Bosnian war

In 1991-1992 Bijeljina was the center of the local Serb Autonomous Region, organized by the local Serb authorities - SAO Semberija i Majevica.

During the War in Bosnia and Herzegovina, Bijeljina saw a significant demographic change. Before the war, the town contained Serbs and Bosniaks, while its vicinity consisted of mostly Serbian villages, except for the large village of Janja. Bijeljina was one of the first places to be dragged into the war, being located at a key strategic location. In the first days of April 1992, the town was attacked by Serb paramilitary groups led by Arkan.

During the war, Bijeljina saw a large influx of Bosnian Serbs expelled by Bosniaks and Bosnian Croats from other regions of Bosnia-Herzegovina.

Archeological find

When the mosque in Bijeljina was destroyed during the Bosnian war it was discovered to have been built over a Serbian Orthodox Church and Serbian Graves.