360What happened in 1987?
5 moments from 1987 on 360n60, each told in 60 words or fewer.
- History · 16 September 1987
The world agrees to protect the ozone layer
On 16 September 1987, countries signed the Montreal Protocol, agreeing to phase out chemicals that were destroying the ozone layer, which shields life from the Sun's harmful ultraviolet rays. It became the first UN treaty signed by every country in the world. The ozone layer is now slowly healing and is expected to recover by about 2066.
- On this day · 11 July 1987
The world's population reaches five billion
The United Nations marked 11 July 1987 as the day the world's population reached about five billion people. The date is now marked each year as World Population Day. The world passed eight billion in November 2022 and is expected to peak in the 2080s.
- On this day · 16 September 1987
The Montreal Protocol to protect the ozone layer is signed
On 16 September 1987, countries signed the Montreal Protocol, agreeing to phase out chemicals that were thinning the ozone layer, which shields life from the Sun's harmful ultraviolet rays. Every country later joined. The ozone layer is now slowly healing.
- On this day · 19 October 1987
Black Monday: stock markets crash
On 19 October 1987, stock markets around the world crashed. In New York, the Dow Jones index fell by 22.6% in a single day, still its largest one-day percentage fall. Markets recovered within about two years, and new 'circuit breakers' were introduced to pause trading in a panic.
- 16 September 1987 · from The world agrees to protect the ozone layer
The Montreal Protocol is signed