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National days, ongoing national weeks and months, and global observances for July 15, 2026. Plus historical events and birthdays.
These observances run for a full week; this calendar day falls inside the week.
These observances last the full month; this date is part of that month-long celebration.
Showing the first 12 on this date; there are more month-long observances. See the full months list for July.
International and other global observances on this date (may include days, weeks, or months).
Events that occurred on July 15 throughout history
Ralph Waldo Emerson delivered his controversial Divinity School Address at Harvard. He challenged traditional Christian doctrine, questioned reliance on miracles, and presented Jesus as an exemplary human expression of the divine.
Georgia becomes the last of the former Confederate states to be readmitted to the Union.
William Boeing incorporated Pacific Aero Products Company, the business later renamed the Boeing Airplane Company. Navy engineer George Conrad Westervelt was an important early collaborator and co-designer of the company’s first aircraft.
President Hoover cuts his salary by 20%, from $75,000 to $60,000. He also reduced his cabinet member salaries by 15%. Both reductions were a part of President Hoover's attempt to balance the budget government-wide.
The "Small Boy" test shot Little Feller I becomes last atomic test detonation is performed at the Nevada National Security Site.
The U.S. and South Vietnam begin Operation Hastings to push the North Vietnamese out of the Vietnamese Demilitarized Zone. The offensive remains one of the most studied engagements of war because of the intense helicopter assaults and jungle fighting.
President Jimmy Carter gives his A Crisis of Confidence speech to Americans. The speech addressed the confidence of the American people after years of turmoil--assassinations, the Vietnam War, and the Watergate scandal.
John Walker Lindh pleaded guilty to supplying services to the Taliban and carrying an explosive during the commission of a felony. He received a 20-year sentence and was released in 2019 after serving approximately 17 years.
Twitter launched publicly as a social-networking and microblogging service. Elon Musk acquired the company in October 2022, rebranded it as X in 2023, and moved its primary web address to x.com in 2024.
People born on July 15
Biochemist who won the Nobel Prize in Chemistry (1984) for his invention of solid phase peptide synthesis (the production of peptides).
Multi-award winning artist in several musical genres, including rock, country, light opera, the jazz, and Latin music.
Guitarist for the rock band .38 Special.
Comedian and voice actor also known as "Fluffy".
A prominent Italian-American religious sister also known as Mother Cabrini in the Catholic Church. She was the first American to be recognized by the Catholic Church as a Saint.
Academy award winning actor known for his lead roles Platoon, Bird, The Butler, and The Godfather of Harlem.
Singer/songwriter and guitarist who co-founded the rock band Ambrosia.
Actor known for his character role as Michael Knight in Knight Rider and Lifeguard Mitch Buchannon in Baywatch.
Poet and scholar traditionally credited with A Visit from St. Nicholas, the poem that popularized Santa’s sleigh and named eight of his reindeer.
Actor recognized for his role as David Silver on the television series Beverly Hills, 90210.
Former drummer for the Southern rock band Lynyrd Skynyrd (1974-1977 and 1987-1991).
Nuclear scientist and who also co-discovered 12 chemical elements on the periodic table.
Special effects designer for film and co-host of MythBusters and Unchained Reaction.
