United Nations Conference on International Organization: Founding negotiations for the United Nations begin in San Francisco. Date: April 25, 1945 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1945 📅 On This Day (Today)

World War II: Liberation Day (Italy): The National Liberation Committee for Northern Italy calls for a general uprising against the German occupation and the Italian Social Republic. Date: April 25, 1945 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1945 📅 On This Day (Today)

World War II: United States and Soviet reconnaissance troops meet in Torgau and Strehla along the River Elbe, cutting the Wehrmacht of Nazi Germany in two. This would be later known as Elbe Day. Date: April 25, 1945 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in…

Korean War: Assaulting Chinese forces are forced to withdraw after heavy fighting with UN forces, primarily made up of Australian and Canadian troops, at the Battle of Kapyong. Date: April 25, 1951 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1951 📅 On This Day (Today)

Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA. Date: April 25, 1953 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1953 📅 On This Day (Today)

The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories. Date: April 25, 1954 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1954 📅 On This Day (Today)

The Saint Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping. Date: April 25, 1959 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1959 📅 On This Day (Today)

The United States Navy submarine USS Triton completes the first submerged circumnavigation of the globe. Date: April 25, 1960 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1960 📅 On This Day (Today)

Robert Noyce is granted a patent for an integrated circuit. Date: April 25, 1961 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1961 📅 On This Day (Today)

Vietnam War: Nguyen Hue Offensive: The North Vietnamese 320th Division forces 5,000 South Vietnamese troops to retreat and traps about 2,500 others northwest of Kontum. Date: April 25, 1972 Read more on Wikipedia → 📅 Other events on April 25 📅 Events on this day in 1972 📅 On This Day (Today)