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National days, ongoing national weeks and months, and global observances for June 3, 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 June.
International and other global observances on this date (may include days, weeks, or months).
Events that occurred on June 3 throughout history
The U.S. Army is officially established by Congress of the Confederation.
The first baseball uniforms are worn by the N.Y. Knickerbockers (straw hats, white shirts and blue long trousers).
Robert E. Lee and his Army begin marching to invade the North, known as the Gettysburg campaign. It was the first time a Confederate Army attempted a full-scale invasion of a free state.
Jesse James and his gang rob the Obocock Bank in Corydon, Iowa, taking $15,000.
The first long-distance electric power transmission line in the U.S., between Willamette Falls and downtown Portland, Oregon, is completed.
The National Defense Act is signed into law and increases the size of the National Guard by 450,000 men.
Wesley Brown becomes the first Black to graduate from the U.S. Naval Academy. Before Brown, five other Black students were admitted to the Academy, but all were forced out by relentless hostility.
Ed White becomes the first NASA astronaut to make the first space walk. He floated in the vacuum of space for approximately 23 minutes.
People born on June 3
Author of the novels The Last Picture Show and Terms of Endearment.
Garret Augustus Hobart was the 24th Vice President of the U.S. He served from 1897 until his death in 1899, under President William McKinley.
Actress who played grandma (Esther Walton) on the television series The Waltons.
Heart throb actor of the 1950s and 1960s known for his well-known light comedic role in Some Like It Hot (1959).
NBA player often referred to as the "Kangaroo Kid" for his extraordinary rebounding abilities. Cunningham spent a total of 17 seasons with the Philadelphia 76ers.
Scientific writer and founder of Popular Science.
Acclaimed blues musician whose recording career lasted for over three decades, recording nearly 200 songs, including When the Levee Breaks, Me and My Chauffeur Blues, and Nothing in Rambling.
Acclaimed journalist and political commentator Anderson Cooper 360° on CNN.
The only President of the Confederate States from 1861 to 1865. He lead the Confederacy during the American Civil War.
Game show host for The Dating Game (1965–2021) and The Gong Show.
Founder of the Oldsmobile and REO Motor Car Company.
The 46th First Lady of the U.S. (President Joe Biden).
Physician and surgeon whose studies in blood transfusions and blood storage helped with blood banks during WWII.
Founding member of the Rembrandts and singer of the iconic song I'll Be There for You from the sitcom Friends.
Screenwriter who wrote screen scripts for The Black Stallion (1979) and E.T. the Extra-Terrestrial (1982).
Multi-award winning musician of hits like She's in Love with You and Stumblin' In.
