 These incidents attracted as many as 5,000 new members to Zbor and led to the formation of a Zbor student wing known as the "White Eagles" ().In July 1940, Ljotić expressed his bitter opposition to the diplomatic recognition of the Soviet Union by Belgrade, which was meant to strengthen Yugoslavia internally in the case of war.On 23 October 1940, "White Eagles" members massed outside the campus of the University of Belgrade.