In 1920, after the Treaty of Trianon, Košice (Kassa in Hungarian) became part of Czechoslovakia, Szikszó became the capital of Abaúj-Torna county and held this rank until the unification of the three counties creating Borsod-Abaúj-Zemplén county.
Košice (Kassa in Hungarian) became. This was after the Treaty of Trianon. This was in 1920. Part of Czechoslovakia, Szikszó became the capital of Abaúj-Torna county. Part of Czechoslovakia, Szikszó held this rank until the unification of the three counties. Part of Czechoslovakia, Szikszó was creating Borsod-Abaúj-Zemplén county.