Country

Belgium

case
1
years
1989–1990

Disputed: 1

  1. 1980–1989

    1. 1989–1990 Sighting waves · Disputed Belgian UFO Wave Eupen and eastern Belgium, Liège Province From November 1989 to spring 1990, thousands of Belgians reported huge dark triangles with lights at the corners, and the military scrambled F-16s.