In recent years, local fascist and neo-Nazi groups in Serbia have become emboldened under President Aleksandar Vučić.
Tensions have run high in Kosovo, the former Serbian province, after clashes broke out in May between Serb protesters and authorities.
This is the second emergency landing a flight to or from Israel has had to make in recent weeks.
Novi Sad in Northern Serbia was once home to as many as 86 synagogues. Today, only 11 remain standing, most of which have fallen into disuse.
Unclaimed pieces of land known as Terra Nullius still exist around the globe.
The vessel was probably part of a river fleet serving Viminacium, the sprawling and highly-developed Roman city of 45,000 people.
He will take one step at a time, slowly but surely, in order to ensure that the magic that he was able to create in Israel will be the same in Serbia.
Cohen called on Serbia to condemn and oppose Iranian terrorist arms, as they recently attempted to attack the Israeli embassy in Azerbaijan.
With summer approaching, many are beginning to plan their next vacation abroad with the aim to stay on a lower budget.