WHAT ALL HAPPENED MAY TO SEPTEMBER 1990
Find out what all happened May to September 1990

The Russian parliament elects Boris Yeltsin as president of the Russian Soviet Federative Socialist Republic. (29. May 1990)

An earthquake with its epicenter in Afghanistan results in the greatest number of fatalities in a mountaineering accident in High Asian mountains when an avalanche kills 43 climbers in Camp I on Pik Lenina (Lenin Peak). (13. July 1990)

Sri Lankan Civil War: Sri Lankan Army soldiers slaughter 158 civilians. (5. September 1990)

The General Assembly of the World Health Organization (WHO) eliminates homosexuality from the list of psychiatric diseases. (17. May 1990)

Periodic Great White Spot is observed on Saturn. (24. September 1990)

The Parliament of the Ukrainian SSR declares state sovereignty over the territory of the Ukrainian SSR. (16. July 1990)

The current international law defending indigenous peoples, Indigenous and Tribal Peoples Convention, 1989, is ratified for the first time by Norway. (19. June 1990)

Russia Day – the parliament of the Russian Federation formally declares its sovereignty. (12. June 1990)

The Communist Party of the Russian Soviet Federative Socialist Republic is founded in Moscow. (19. June 1990)

Liechtenstein becomes a member of the United Nations. (18. September 1990)

Iraq invades Kuwait, eventually leading to the Gulf War. (2. August 1990)

Latvia proclaims the renewal of its independence after the Soviet occupation. (4. May 1990)

Iraq occupies Kuwait and the state is annexed to Iraq. This would lead to the Gulf War shortly afterward. (8. August 1990)

Sue, the largest and most complete Tyrannosaurus Rex skeleton found to date, was discovered by Sue Hendrickson in South Dakota. (12. August 1990)

The Supreme Soviet of the Belarusian Soviet Republic declares independence of Belarus from the Soviet Union. Until 1996 the day is celebrated as the Independence Day of Belarus; after a referendum held that year the celebration of independence is moved to June 3. (27. July 1990)

The Basilica of Our Lady of Peace in Yamoussoukro, Côte d'Ivoire, the largest church in Africa, is consecrated by Pope John Paul II. (10. September 1990)

The two German states and the Four Powers sign the Treaty on the Final Settlement With Respect to Germany in Moscow, paving the way for German reunification. (12. September 1990)

The former Philippine Episcopal Church (supervised by the Episcopal Church of the United States of America) is granted full autonomy and raised to the status of an Autocephalous Anglican Province and renamed the Episcopal Church of the Philippines. (1. May 1990)

1990 Batticaloa massacre, massacre of 184 minority Tamil civilians by Sri Lankan Army in the eastern Batticaloa District of Sri Lanka. (9. September 1990)

North and South Yemen are unified to create the Republic of Yemen. (22. May 1990)