Major Events of September 1990: Key Historical Moments from the Month

Each month is marked by defining moments that shape the course of history. Whether through political shifts, cultural movements, or world-changing events, these periods leave a lasting impression. Dive into the most important events from September 1990 and discover how they influenced the world both then and now.

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Major Events of September 1990: Key Historical Moments from the Month


  • 01 Sep 1990 Papal African Diplomatic Tour: Pope John Paul II embarks on a comprehensive diplomatic and pastoral visit to multiple African nations, including Tanzania, Burundi, Rwanda, and Ivory Coast, from September 1–10, 1990, strengthening Vatican's international relations and religious outreach.
  • 02 Sep 1990 Transnistria's Controversial Declaration: Transnistria unilaterally proclaimed itself a Soviet republic, but Soviet President Mikhail Gorbachev immediately declared the decision null and void, highlighting the political tensions during the late Soviet era.
  • 03 Sep 1990 Bobby Thigpen Sets MLB Save Record: Chicago White Sox relief pitcher Bobby Thigpen set a new Major League Baseball record with 47 saves, ultimately finishing the season with an impressive 57 total saves.
  • 04 Sep 1990 Historic North-South Korea Leadership Meeting: In a groundbreaking diplomatic encounter, North Korean Premier Yon Hyong-muk met with South Korean President Roh Tae-woo from September 4-6, representing the highest-level contact between Korean leaders since the division of the peninsula in 1945.
  • 05 Sep 1990 Eastern University Massacre: On September 5, 1990, Sri Lankan Army soldiers conducted a brutal massacre of 158 Tamil civilians at the Eastern University in Batticaloa, Sri Lanka, during the ongoing Sri Lankan Civil War. This tragic event represents one of the most significant atrocities committed during the conflict, highlighting the extreme violence and human rights violations that characterized the war.
  • 06 Sep 1990 Bush and Gorbachev Discuss Persian Gulf Crisis: U.S. President George H.W. Bush and Soviet President Mikhail Gorbachev held a critical summit meeting in Helsinki, Finland, to discuss diplomatic strategies regarding the escalating Persian Gulf crisis following Iraq's invasion of Kuwait.
  • 07 Sep 1990 Diplomatic Efforts in Middle East and Gulf Region: U.S. Secretary of State James Baker conducted high-level diplomatic meetings with Egyptian President Hosni Mubarak in Cairo and Alexandria, focusing on securing increased Egyptian military support and commitment in the context of the Persian Gulf tensions, likely related to the impending Gulf War.
  • 08 Sep 1990 Ellis Island Historical Site Reopens: The Ellis Island Historical Site officially reopened to the public, celebrating the historic immigration hub that processed millions of immigrants entering the United States during the late 19th and early 20th centuries.
  • 09 Sep 1990 Bush and Gorbachev Meeting on Gulf Crisis: US President George H.W. Bush and Soviet leader Mikhail Gorbachev met in Helsinki, jointly urging Iraq to withdraw from Kuwait, signaling international diplomatic pressure during the lead-up to the Gulf War.
  • 10 Sep 1990 Bush-Gorbachev Helsinki Summit: US President George H. W. Bush and Soviet Premier Mikhail Gorbachev met in Helsinki, Finland, during a critical period of international diplomacy. Their discussions likely focused on the ongoing tensions in the Middle East, particularly Iraq's invasion of Kuwait, and the changing geopolitical landscape as the Cold War was drawing to a close.
  • 11 Sep 1990 Bush Threatens Force Against Iraq Over Kuwait Invasion: President George H. W. Bush delivered a nationally televised speech, strongly condemning Iraq's invasion of Kuwait and explicitly threatening military intervention to remove Iraqi soldiers from the occupied territory. This speech was a critical moment in the lead-up to the Gulf War, signaling the United States' commitment to international intervention.
  • 12 Sep 1990 Treaty on the Final Settlement with Respect to Germany: The two German states and the Four Powers (United States, United Kingdom, France, and the Soviet Union) signed a historic treaty in Moscow, officially paving the way for German reunification after decades of division following World War II.
  • 13 Sep 1990 Iraqi Forces Invade French Ambassador's Residence in Kuwait: As part of the broader Iraqi invasion of Kuwait, Iraqi troops stormed the residence of the French ambassador, escalating international tensions during the Gulf Crisis of 1990.
  • 14 Sep 1990 First Successful Somatic Gene Therapy: On September 14, 1990, a groundbreaking medical milestone was achieved with the first successful somatic gene therapy performed on a human patient. This revolutionary treatment marked a significant advancement in genetic medicine, offering potential hope for treating genetic disorders by introducing therapeutic genes into a patient's cells.
  • 15 Sep 1990 France Commits Troops to Persian Gulf: France announces a significant military deployment of 4,000 troops to the Persian Gulf region, likely in response to the ongoing tensions surrounding Iraq's invasion of Kuwait.
  • 16 Sep 1990 Iraq Broadcasts Uncensored Bush Speech: During the Gulf War period, Iraq televised an 8-minute uncensored speech from US President George Bush, a rare moment of unfiltered communication during a tense geopolitical conflict.
  • 17 Sep 1990 Soviet Union and Saudi Arabia Restore Diplomatic Relations: In a significant diplomatic development on September 17, 1990, the Soviet Union and Saudi Arabia restored diplomatic ties, marking an important moment of international reconciliation during the late Cold War era and amid the Gulf Crisis.
  • 18 Sep 1990 Atlanta Selected for 1996 Summer Olympics: In Tokyo, Japan, the International Olympic Committee officially selected Atlanta, Georgia, as the host city for the 1996 Summer Olympic Games, which would mark the centennial celebration of the modern Olympic Games.
  • 19 Sep 1990 Premiere of 'Goodfellas': Martin Scorsese's iconic American gangster film 'Goodfellas' premiered, featuring an all-star cast including Robert De Niro, Joe Pesci, and Ray Liotta. The film would go on to become a landmark in cinema history, critically acclaimed for its gritty portrayal of organized crime.
  • 20 Sep 1990 German Reunification Ratification: Both East and West Germany officially ratified their reunification, marking a historic moment in the process of German unification following the fall of the Berlin Wall. This event symbolized the end of Cold War divisions and the restoration of Germany as a single nation.
  • 21 Sep 1990 Oil Prices Surge Amid Geopolitical Tensions: Crude oil prices reach new highs due to a combination of US refinery capacity issues and increasingly aggressive rhetoric from Saddam Hussein, signaling growing geopolitical instability in the Middle East.
  • 22 Sep 1990 Saudi Arabia Diplomatic Expulsion: Saudi Arabia conducted a significant diplomatic action by expelling multiple envoys from Jordan and Yemen, potentially signaling tensions in regional diplomatic relations.
  • 23 Sep 1990 PBS Launches Civil War Documentary Series: Public Broadcasting Service (PBS) premiered an extensive 11-hour documentary miniseries exploring the United States Civil War, providing viewers with an in-depth historical examination of one of the most significant periods in American history. The series, likely directed by Ken Burns, offered comprehensive insights into the conflict's social, political, and human dimensions.
  • 24 Sep 1990 Soviet Union Grants Gorbachev Special Economic Powers: The Supreme Soviet of the Soviet Union grants President Mikhail Gorbachev extraordinary executive powers for 18 months to facilitate the complex transition of the Soviet economy from a centrally planned system to a market-based economy, marking a significant moment in the country's economic restructuring.
  • 25 Sep 1990 UN Security Council Imposes Air Embargo on Iraq: The United Nations Security Council voted 14-1 to impose an air embargo against Iraq, a significant diplomatic action during the lead-up to the Gulf War.
  • 26 Sep 1990 US Presidential Leadership in 1990: George H. W. Bush was serving as the 41st President of the United States on September 26, 1990. During this period, he was actively managing foreign policy challenges, including the buildup to the Gulf War and navigating post-Cold War geopolitics.
  • 27 Sep 1990 Deposed Kuwaiti Emir Addresses UN: The deposed Emir of Kuwait addressed the United Nations General Assembly, likely discussing the ongoing Gulf War and Kuwait's occupation by Iraq, highlighting international diplomatic efforts during this critical period.
  • 28 Sep 1990 Exiled Kuwaiti Emir Meets with US President: The exiled Emir of Kuwait, Sheikh Jaber Al-Ahmad Al-Sabah, visited the White House to discuss the ongoing Gulf War and seek support for Kuwait's liberation from Iraqi occupation. This diplomatic meeting was crucial in garnering international support against Saddam Hussein's invasion of Kuwait.
  • 29 Sep 1990 YF-22 First Flight: The YF-22, a prototype aircraft that would later evolve into the advanced F-22 Raptor stealth fighter, completed its first flight. This marked a crucial moment in modern military aviation technology and the development of next-generation fighter jets.
  • 30 Sep 1990 Dalai Lama Honors Human Rights in Canada: The Dalai Lama unveils the Canadian Tribute to Human Rights monument in Ottawa, symbolizing Canada's commitment to global human rights and peaceful dialogue.