May 31 stands as one of history’s most eventful days, witnessing the rise and fall of empires, groundbreaking discoveries, and moments that shaped our modern world across centuries of human achievement.

Politics and Government Events on May 31
1902 – Second Boer War Ends with Treaty of Vereeniging
The Treaty of Vereeniging officially concluded the Second Boer War and secured British control over South Africa. British negotiators achieved their primary objective of establishing imperial dominance across the region.
The treaty’s signing marked the end of Boer independence and reshaped the political landscape of southern Africa. This agreement laid the foundation for future British colonial administration and eventual South African unification.
1909 – National Negro Committee Convenes for First Time
The National Negro Committee, which would later become the National Association for the Advancement of Colored People (NAACP), held its inaugural meeting. Civil rights activists gathered to address systematic discrimination and violence against African Americans.
This historic gathering brought together influential leaders determined to challenge racial injustice through organized activism. The committee’s formation represented a pivotal moment in the early civil rights movement.
1947 – Hungarian Prime Minister Ferenc Nagy Resigns Under Communist Pressure

Ferenc Nagy, Hungary’s democratically elected Prime Minister, resigned after Communist Party blackmail accusations of plotting against the state. The Hungarian Communist Party orchestrated this political maneuver to seize effective government control.
Nagy’s forced resignation eliminated the last major obstacle to complete Communist domination of Hungary. This event marked Hungary’s decisive transition from democratic governance to Soviet-aligned Communist rule.
1961 – Republic of South Africa Established
The South African Constitution of 1961 took effect, creating the Republic of South Africa and ending its Commonwealth membership. South African leaders severed ties with the British Crown to establish complete independence.
The new republic remained outside Commonwealth membership until 1994, when post-apartheid South Africa rejoined the organization. This constitutional change formalized South Africa’s commitment to apartheid policies.
1991 – Bicesse Accords Signed in Angola
The Bicesse Accords established a framework for Angola’s transition to multi-party democracy under United Nations supervision. International mediators facilitated negotiations between the Angolan government and UNITA rebels.
The United Nations deployed its UNAVEM II peacekeeping mission to oversee the democratic transition process. These accords represented a crucial step toward ending Angola’s devastating civil war.
Military and Naval History on May 31
1916 – Battle of Jutland Fought in North Sea
The British Grand Fleet engaged Germany’s High Seas Fleet in the largest naval battle of World War I. Both fleets deployed their most powerful battleships and battle cruisers in this decisive confrontation.
The battle proved strategically indecisive despite heavy casualties on both sides. Neither fleet achieved clear victory, but the engagement demonstrated the changing nature of naval warfare.
1941 – United Kingdom Completes Re-occupation of Iraq
British forces completed their re-occupation of Iraq during the Anglo-Iraqi War and restored Abd al-Ilah as regent. The successful military campaign secured vital oil resources and strategic positions in the Middle East.
British victory eliminated pro-German influence in Iraq and strengthened Allied control over regional petroleum supplies. This campaign demonstrated Britain’s continued military capability despite wartime pressures.
1942 – Japanese Midget Submarines Attack Sydney Harbor
Imperial Japanese Navy midget submarines launched a series of attacks against Sydney, Australia’s main harbor. The bold assault brought the Pacific War directly to Australian shores for the first time.
Japanese submarines penetrated Sydney’s harbor defenses and targeted Allied naval vessels anchored there. This daring operation demonstrated Japan’s ability to strike at distant Allied strongholds.
1973 – Senate Votes to End Cambodia Bombing
The United States Senate voted to cut off funding for bombing Khmer Rouge targets within Cambodia. This decisive congressional action hastened the end of American involvement in the Cambodian Civil War.
The vote reflected growing congressional opposition to continued military involvement in Southeast Asia. This decision marked a significant shift in American foreign policy following the Vietnam War.
Science and Discovery Milestones on May 31
2008 – Space Shuttle Discovery Launches with Japanese Module

Space Shuttle Discovery launched on mission STS-124 carrying the second portion of Japan’s Kibō laboratory module. The mission represented a major milestone in international space cooperation and scientific research.
The Kibō module significantly expanded the International Space Station’s research capabilities and strengthened Japan’s role in space exploration. This successful mission demonstrated the continued importance of international collaboration in space.
2013 – Asteroid 1998 QE2 Makes Close Earth Approach
The asteroid 1998 QE2 and its accompanying moon made their closest approach to Earth for the next two centuries. Astronomers worldwide tracked this significant celestial event using advanced radar and optical telescopes.
The asteroid’s flyby provided valuable scientific data about near-Earth objects and their potential threats. This close encounter offered researchers unprecedented opportunities to study asteroid composition and behavior.
1951 – Uniform Code of Military Justice Takes Effect
The Uniform Code of Military Justice became the official legal system governing all United States Armed Forces. This comprehensive legal framework standardized military justice across all service branches.
The new code established consistent procedures for military courts-martial and disciplinary actions. This legal system provided service members with standardized rights and protections under military law.
Cultural and Arts Events on May 31
2005 – Vanity Fair Reveals Deep Throat’s Identity
Vanity Fair magazine revealed that former FBI Associate Director Mark Felt was the anonymous “Deep Throat” source. This disclosure solved one of the most enduring mysteries of the Watergate scandal.
Felt’s revelation ended decades of speculation about the identity of Bob Woodward and Carl Bernstein’s crucial informant. The disclosure provided final closure to one of American journalism’s most famous cases.
2003 – Air France Retires Concorde Fleet
Air France officially retired its fleet of Concorde supersonic passenger aircraft after decades of service. The retirement marked the end of an era in commercial aviation and supersonic passenger travel.
The Concorde’s retirement eliminated the only supersonic passenger service available to civilian travelers. This decision reflected changing economic realities and safety concerns in commercial aviation.
1962 – West Indies Federation Dissolves
The West Indies Federation officially dissolved after five years of existence, ending the attempt to create a unified Caribbean nation. Political disagreements and economic pressures undermined the federation’s viability.
The dissolution forced individual Caribbean territories to pursue independent paths to self-governance. This breakup reshaped the political landscape of the Caribbean region for decades.
Religious and Social Events on May 31
1955 – Supreme Court Orders School Desegregation Implementation
The U.S. Supreme Court expanded its Brown v. Board of Education decision by ordering district courts to enforce educational desegregation “at all deliberate speed.” This follow-up ruling provided implementation guidelines for the landmark 1954 decision.
The Court’s directive established a framework for dismantling segregated school systems across the American South. This ruling intensified the civil rights movement and accelerated social change in education.
1921 – Tulsa Race Massacre Occurs

The Tulsa race massacre devastated the prosperous Greenwood district, killing at least 39 people with estimates ranging much higher. White mobs attacked the African American community known as “Black Wall Street.”
The massacre destroyed hundreds of businesses and homes in one of America’s most prosperous Black communities. This tragic event remained largely hidden from history books for decades.
1971 – Memorial Day Observance Changes to Last Monday
Memorial Day observance occurred on the last Monday in May for the first time under the Uniform Monday Holiday Act. This change moved the holiday from its traditional May 30 date to create three-day weekends.
The new scheduling provided Americans with extended weekend holidays while maintaining the day’s commemorative purpose. This change reflected evolving attitudes toward work-life balance and holiday observance.
Business and Economic Events on May 31
1977 – Trans-Alaska Pipeline System Completed

The Trans-Alaska Pipeline System reached completion after years of construction through challenging Arctic conditions. This massive infrastructure project connected North Slope oil fields to southern ports.
The pipeline’s completion revolutionized American energy production and reduced dependence on foreign oil imports. This engineering achievement demonstrated American capability to overcome extreme environmental challenges.
1997 – Confederation Bridge Opens

The Confederation Bridge opened to traffic, linking Prince Edward Island with mainland New Brunswick for the first time. This engineering marvel eliminated the island’s complete dependence on ferry transportation.
The bridge’s construction transformed Prince Edward Island’s economy and accessibility for both residents and tourists. This infrastructure project represented one of Canada’s most significant engineering achievements.
1910 – South Africa Act Establishes Union
The South Africa Act came into force, officially establishing the Union of South Africa under British dominion status. This legislation unified four separate colonies into a single political entity.
The new union created a centralized government structure while maintaining British imperial connections. This political reorganization laid the groundwork for South Africa’s eventual independence.
Transportation and Infrastructure on May 31
1911 – RMS Titanic Launched in Belfast
The RMS Titanic was launched at Belfast’s Harland and Wolff shipyard amid great fanfare and celebration. The massive ocean liner represented the pinnacle of early 20th-century shipbuilding technology.
The ship’s launch attracted thousands of spectators who witnessed this engineering marvel enter the water. The Titanic embodied contemporary confidence in human technological achievement and maritime safety.
1973 – Indian Airlines Flight 440 Crashes Near Delhi

Indian Airlines Flight 440 crashed near Palam Airport in Delhi, killing all 48 people aboard. The tragic accident highlighted ongoing challenges in aviation safety and airport approach procedures.
The crash prompted investigations into pilot training and airport safety protocols throughout India. This accident led to significant improvements in Indian aviation safety standards.
1985 – Tornado Outbreak Devastates Multiple States

A massive tornado outbreak produced 41 tornadoes across Ohio, Pennsylvania, New York, and Ontario, killing 76 people. The severe weather system created unprecedented destruction across multiple states and provinces.
The outbreak demonstrated the increasing severity of extreme weather events and their cross-border impacts. This natural disaster prompted improvements in weather forecasting and emergency response systems.
Sports and Recreation on May 31
2008 – Usain Bolt Breaks 100-Meter World Record

Usain Bolt shattered the 100-meter world record with a wind-legal time of 9.72 seconds. The Jamaican sprinter’s performance electrified the athletics world and announced his emergence as a global superstar.
Bolt’s record-breaking run demonstrated unprecedented speed and established him as the fastest man alive. This achievement marked the beginning of his dominance in international sprinting competition.
2013 – Record-Breaking Tornado Strikes El Reno, Oklahoma

A record-breaking tornado measuring 2.6 miles wide struck near El Reno, Oklahoma, causing eight fatalities including three storm chasers. The massive tornado exceeded all previous width measurements for such weather phenomena.
The tornado’s unprecedented size challenged existing understanding of severe weather formation and behavior. This extreme weather event highlighted the increasing intensity of tornado activity in the Great Plains.
2016 – Syrian Democratic Forces Launch Manbij Offensive
The Syrian Democratic Forces launched a major offensive to capture the city of Manbij from ISIS control. This military operation represented a crucial step in the campaign against Islamic State territory.
The offensive demonstrated growing coordination between Kurdish and Arab forces in northern Syria. This military action advanced the broader international coalition’s strategy against ISIS.
Notable Births on May 31
1930 – Clint Eastwood Born

American actor and director Clint Eastwood was born in San Francisco, California. His childhood experiences during the Great Depression shaped his resilient character and work ethic.
Eastwood would become one of Hollywood’s most iconic figures through Western films and crime dramas. His directorial career earned him multiple Academy Awards and established him as a cinematic legend.
1943 – Joe Namath Born

American football quarterback Joe Namath was born in Beaver Falls, Pennsylvania. His athletic talents emerged early during his high school football career.
Namath would revolutionize professional football with his charismatic personality and bold predictions. His guarantee of victory in Super Bowl III became one of sports’ most famous moments.
1965 – Brooke Shields Born

American actress and model Brooke Shields was born in New York City. Her early modeling career began during childhood and launched her entertainment industry success.
Shields became a prominent figure in film and television while advocating for various social causes. Her career demonstrated the evolution of child stars into accomplished adult performers.
1976 – Colin Farrell Born

Irish actor Colin Farrell was born in Castleknock, Dublin. His early interest in acting led him to pursue formal training at the Gaiety School of Acting.
Farrell achieved international recognition through diverse film roles spanning multiple genres. His performances earned critical acclaim and established him as one of Ireland’s most successful actors.
1985 – Jordy Nelson Born

American football player Jordy Nelson was born in Manhattan, Kansas. His athletic abilities developed during his high school career in rural Kansas.
Nelson would become one of the NFL’s most reliable wide receivers during his professional career. His precision route-running and reliable hands made him a favorite target for elite quarterbacks.
2001 – Iga Świątek Born
Polish tennis player Iga Świątek was born in Warsaw, Poland. Her early tennis training began during childhood under the guidance of dedicated coaches.
Świątek would become world number one and win multiple Grand Slam titles. Her aggressive playing style and mental toughness revolutionized women’s tennis.
Notable Deaths on May 31
1910 – Elizabeth Blackwell Dies

Elizabeth Blackwell, the first woman to receive a medical degree in the United States, passed away at age 89. Her groundbreaking achievement in 1849 opened medical education to women.
Blackwell’s pioneering efforts faced enormous resistance from the male-dominated medical establishment. Her perseverance created opportunities for countless women in medicine.
1983 – Jack Dempsey Dies

Jack Dempsey, the legendary heavyweight boxing champion, died at age 87 in New York City. His aggressive fighting style and powerful punches made him one of boxing’s most feared competitors.
Dempsey’s reign as heavyweight champion during the 1920s coincided with boxing’s golden age. His fights generated unprecedented public interest and established boxing as a major sport.
1996 – Timothy Leary Dies

Timothy Leary, the controversial psychologist and psychedelic drug advocate, died at age 75 in Beverly Hills. His research with LSD and other psychedelics influenced 1960s counterculture movements.
Leary’s famous phrase “turn on, tune in, drop out” became a rallying cry for the hippie generation. His work sparked ongoing debates about consciousness, spirituality, and drug policy.
2009 – George Tiller Dies

Dr. George Tiller, a prominent abortion provider, was murdered at age 67 while attending church in Wichita, Kansas. His death shocked the medical community and abortion rights advocates.
Tiller’s practice provided late-term abortions in difficult medical cases despite constant threats and harassment. His murder highlighted the violent extremism surrounding abortion debates.
2010 – Louise Bourgeois Dies

Louise Bourgeois, the influential French-American sculptor, died at age 98 in New York City. Her monumental spider sculptures and installations explored themes of memory and trauma.
Bourgeois achieved her greatest recognition later in life, with major retrospectives celebrating her artistic contributions. Her work bridged surrealism and contemporary art movements.
2011 – Jean Stapleton Dies

Jean Stapleton, the beloved actress best known for playing Edith Bunker on “All in the Family,” died at age 90. Her portrayal of the long-suffering wife earned her multiple Emmy Awards.
Stapleton’s performance brought depth and humanity to a character that could have been merely stereotypical. Her work helped address serious social issues through television comedy.
Holidays and Observances on May 31
World No Tobacco Day

World No Tobacco Day raises global awareness about the health risks associated with tobacco use. The World Health Organization designated this international observance to promote anti-smoking campaigns worldwide.
Healthcare organizations coordinate educational programs highlighting tobacco’s devastating health impacts. This observance encourages smokers to quit and prevents young people from starting tobacco use.
Kaamatan Festival in Malaysia

Kaamatan harvest festival celebrates the rice harvest in Malaysia’s Sabah state and Labuan federal territory. The Kadazan-Dusun people observe this traditional celebration with cultural performances and thanksgiving ceremonies.
The festival honors Bambaazon, the rice spirit, through elaborate rituals and community gatherings. This celebration preserves indigenous cultural traditions while promoting agricultural sustainability.
Visitation of Mary

Western Christianity observes the Visitation of Mary, commemorating Mary’s visit to her cousin Elizabeth during pregnancy. This biblical event celebrates the meeting between the mothers of Jesus and John the Baptist.
The observance emphasizes themes of service, humility, and divine providence in Christian theology. Many churches hold special services reflecting on Mary’s role in salvation history.