On 19 May 1986, Brazilian air force radar and visual contacts occurred across several states, prompting jet scrambles and an official press conference.

The Brazilian Night of the UFOs matters because it is a mass military radar-visual event with an official press conference.
Documented
Radar and visual contacts occurred across Brazil
Documented
Jet scrambles were ordered
Documented
The Ministry of Aeronautics held a press conference
Debated
The identity of the objects
Unverified
Extraterrestrial origin
Sources are kept in separate layers: official and contemporary material is documented; secondary UFO literature is treated as debated, not as primary evidence.
Documented source.
Secondary / debated material.