Not to be confused with Avar Khanateball in the Caucasus
Avar Khaganateball was a 
Khaganate in the Pannonian Basin. On Reddit, it is depicted as a 
1ball. He supported 
Slavballs against 
Byzantiumball. He was Tengri but later converted to Christianity and got assimilated by 
Europeans.
He sieged 
Constantinople with 
Sassanids twice, but failed, it is also the first to country to siege Constantinople.
