WHAT ALL HAPPENED MAY TO JUNE 1991
Find out what all happened May to June 1991

1991 Kokkadichcholai massacre: the Sri Lankan Army massacres 152 minority Tamil civilians in the village Kokkadichcholai near the eastern province town of Batticaloa, Sri Lanka. (12. June 1991)

Northern Somalia declares independence from the rest of Somalia as the Republic of Somaliland but is not recognized by the international community. (18. May 1991)

The German Bundestag votes to move the capital from Bonn back to Berlin. (20. June 1991)

Slovenia, after declaring independence two days before is invaded by Yugoslav troops, tanks, and aircraft starting the Ten-Day War. (27. June 1991)

Mengistu Haile Mariam, president of the People's Democratic Republic of Ethiopia, flees Ethiopia, effectively bringing the Ethiopian Civil War to an end. (21. May 1991)

Zviad Gamsakhurdia becomes the first elected President of the Republic of Georgia in the post-Soviet era. (26. May 1991)

Mount Unzen erupts in Kyūshū, Japan, killing 43 people, all of them either researchers or journalists. (3. June 1991)

32 miners are killed when a coal mine catches fire in the Donbass region of Ukraine and releases toxic gas. (30. June 1991)

Bicesse Accords in Angola lay out a transition to multi-party democracy under the supervision of the United Nations' UNAVEM II mission. (31. May 1991)

Israel conducts Operation Solomon, evacuating Ethiopian Jews to Israel. (24. May 1991)

Mount Pinatubo exploded, generating an ash column 7 kilometres (4.3 mi) high. (7. June 1991)

Russians elect Boris Yeltsin as the president of the republic. (12. June 1991)

A riot breaks out in the Mt. Pleasant section of Washington, D.C. after police shoot a Salvadoran man. (5. May 1991)

The Soviet occupation of Hungary ends. (19. June 1991)

Apartheid: the South African Parliament repeals the Population Registration Act which required racial classification of all South Africans at birth. (17. June 1991)

Rickey Henderson of the Oakland Athletics steals his 939th base, making him the all-time leader in this category. However, his accomplishment is overshadowed later that evening by Nolan Ryan of the Texas Rangers, when he pitches his seventh career no-hitter, breaking his own record. (1. May 1991)

Sonic the Hedgehog , the first game in the Sonic the Hedgehog series is released for the Sega Genesis in North America. (23. June 1991)

Queen Elizabeth II of the United Kingdom addresses a joint session of the United States Congress. She is the first British monarch to address the U.S. Congress. (16. May 1991)

In the Philippines, Mount Pinatubo erupts in the second largest volcanic eruption of the 20th Century. In the end, over 800 people die. (15. June 1991)

Ten-Day War: the Yugoslav people's army begins the Ten-Day War in Slovenia. (26. June 1991)