Niterói circus fire
1961 CE.
Shown on the map at -22.889°, -43.128°.
A fire occurred in the tent housing a sold-out performance by the Gran Circus Norte-Americano on 17 December 1961 in the city of Niterói, Brazil, caused more than 500 deaths. It is the worst fire disaster to occur in Brazil.
Text from the Wikipedia article Niterói circus fire, licensed CC BY-SA 4.0.