Complex sentence: The first airfield in Belgrade was inaugurated in 1910 in the neighbourhood of Banjica and was initially used by aviation pioneers such as Simon, Maslenikov, Vidmar and Čermak.
Split into simpler sentences: The first airfield in Belgrade was inaugurated in 1910 in the neighbourhood of Banjica. It was initially used by aviation pioneers such as Simon, Maslenikov, Vidmar and Čermak.