

On this day: January 31
1950 – President Harry S. Truman announces the development of the hydrogen bomb
On January 31, 1950, President Harry S. Truman made a historic announcement regarding the development of the hydrogen bomb. The hydrogen bomb, also known as the H-bomb, is a thermonuclear weapon that uses nuclear fusion as its primary energy source. This new and powerful weapon would later become a key component of the United States’ nuclear arsenal during the Cold War.
1865 – The United States Congress passes the Thirteenth Amendment, abolishing slavery
On January 31, 1865, the United States Congress passed the Thirteenth Amendment to the Constitution, officially abolishing slavery in the country. This landmark legislation marked the end of one of the darkest chapters in American history and paved the way for greater equality and civil rights for all citizens.
1919 – The first meeting of the League of Nations takes place in Paris
On January 31, 1919, the first meeting of the League of Nations was held in Paris, France. The League of Nations was an international organization established after World War I to promote peace and cooperation among nations. While the League ultimately failed to prevent the outbreak of World War II, it laid the groundwork for the establishment of the United Nations in 1945.
1968 – Viet Cong forces launch the Tet Offensive in Vietnam
On January 31, 1968, Viet Cong forces launched a series of coordinated attacks across South Vietnam in what would become known as the Tet Offensive. The offensive marked a turning point in the Vietnam War and led to increased opposition to the conflict in the United States. Despite heavy casualties on both sides, the Tet Offensive ultimately failed to achieve its objectives and the war would continue for several more years.
1990 – The first McDonald’s restaurant opens in Moscow, Russia
On January 31, 1990, the first McDonald’s restaurant opened its doors in Moscow, Russia. The opening of the iconic fast-food chain in the heart of the Soviet Union marked a significant milestone in the country’s transition to a market economy. The restaurant quickly became a symbol of Western culture and consumerism in Russia and remains a popular destination for locals and tourists alike.
1945 – The Battle of Hill 170 begins in Burma during World War II
On January 31, 1945, the Battle of Hill 170 began in Burma during World War II. The battle was part of the larger Burma Campaign, which aimed to recapture the region from Japanese forces. The fighting was fierce and brutal, with both sides suffering heavy casualties. Ultimately, Allied forces were able to secure victory at Hill 170, paving the way for the eventual defeat of the Japanese in Burma.
1988 – The Washington Redskins defeat the Denver Broncos in Super Bowl XXII
On January 31, 1988, the Washington Redskins defeated the Denver Broncos in Super Bowl XXII, held at Jack Murphy Stadium in San Diego, California. The Redskins, led by quarterback Doug Williams, staged a remarkable comeback in the second quarter, scoring a record-breaking 35 points. Williams became the first African American quarterback to win a Super Bowl and was named the game’s Most Valuable Player.