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July 15
ON THIS DAY

July 15

5 moments across history

2006

Jack Dorsey Launches Twitter Publicly

Jack Dorsey Launches Twitter Publicly

Jack Dorsey Launches Twitter Publicly

Jack Dorsey Launches Twitter Publicly — detail

Year: 2006

On July 15, 2006, Jack Dorsey launched Twitter publicly, with the first tweet reading "just setting up my twttr." This platform introduced microblogging with 140-character messages, revolutionizing real-time public communication and citizen journalism. Its launch occurred during the rise of Web 2.0, when user-generated content and social networking were reshaping online interaction.

1997

Murder of Gianni Versace

Murder of Gianni Versace

Murder of Gianni Versace

Murder of Gianni Versace — detail

Year: 1997

On July 15, 1997, fashion designer Gianni Versace was shot and killed on the steps of his Miami Beach mansion by serial killer Andrew Cunanan. His death shocked the global fashion industry and underscored the vulnerability of public figures, while also highlighting the sensational media coverage surrounding Cunanan’s cross-country murder spree. The case became a symbol of 1990s true-crime fascination and the intersection of celebrity culture with violent crime, ending when Cunanan committed suicide eight days later.

1975

Apollo-Soyuz Test Project Launch

Apollo-Soyuz Test Project Launch

Apollo-Soyuz Test Project Launch

Apollo-Soyuz Test Project Launch — detail

Year: 1975

On July 15, 1975, the United States launched an Apollo spacecraft and the Soviet Union launched a Soyuz capsule, which docked in orbit two days later for the first joint U.S.-Soviet space mission. This event mattered as a symbol of détente during the Cold War, demonstrating that rival superpowers could cooperate in space despite ongoing political tensions. The Apollo-Soyuz Test Project paved the way for future international partnerships, including the Shuttle-Mir program and the International Space Station.

1948

President Truman Nominated for Full Term at 1948 Democratic National Convention

President Truman Nominated for Full Term at 1948 Democratic National Convention

President Truman Nominated for Full Term at 1948 Democratic National Convention

President Truman Nominated for Full Term at 1948 Democratic National Convention — detail

Year: 1948

On July 15, 1948, the Democratic National Convention in Philadelphia nominated President Harry S. Truman for a full term, despite his low approval ratings and a split party that saw Southern delegates walk out over civil rights. This mattered because Truman’s subsequent upset victory over Republican Thomas Dewey reaffirmed the New Deal coalition and signaled a shift toward civil rights as a defining Democratic issue. The broader context includes the early Cold War, Truman’s Truman Doctrine and Marshall Plan, and the 1948 Progressive Party challenge from Henry Wallace.