Topic summary
September 1987

Extracted from the Wikipedia article 1987.
September
- September 1 – Honda announces plans to build a second U.S. assembly plant, the East Liberty Auto Plant.
- September 2 – In Moscow, USSR, the trial begins for 19-year-old pilot Mathias Rust, who flew his Cessna airplane into Red Square in May.
- September 3 – In a coup d'état in Burundi, President Jean-Baptiste Bagaza is deposed by Major Pierre Buyoya.
- September 4 – In a village in Rajasthan, an 18-year-old widow, Roop Kanwar is burned alive on her husband's funeral pyre, in a banned practice known as Sati. Though the woman's father-in-law is arrested by authorities, thousands of Hindu pilgrims travel to the cremation site in support of the act.
- September 7–21 – The world's first conference on artificial life is held at Los Alamos National Laboratory in the United States.
- September 7 – Erich Honecker makes a visit to Bonn, the first (and last) visit by an East German head of state to West Germany.
- September 11 – Chadian–Libyan War: Chad and Libya sign a ceasefire under supervision of the Organisation of African Unity, officially ending the 14-year territorial conflict. Sporadic fighting will continue.
- September 13 – Goiânia accident: Metal scrappers open an old radiation source abandoned in a hospital in Goiânia, Brazil, causing the worst radiation accident ever in an urban area.
- September 23 – The United States and Poland agree to exchange ambassadors after a four-year break in relations.