The number of hosts exceed 100.000.
Australian universities and CSIRO establish AARNET – Australian Academic Research Network – which connects to NSFNET via Hawaii.
Further countries joining the NSFNET: Germany, Israel, Italy, Japan, Mexico, Netherlands, New Zealand, Great Britain and Puerto Rico.
On November 9 the Berlin Wall falls and Germany celebrates its reunification.
The Chinese party leadership ends all efforts for the liberalization of the country with a massacre on Tiananmen Square in Beijing
A total ban of CFC until the year 2000 is determined in the Helsinki Declaration on May 4.
The oil-tanker Exxon Valdez spills about 240,000 barrels of oil and contaminates 1.100 km of coastline after running aground in Alaska.