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National days, ongoing national weeks and months, and global observances for June 18, 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 18 throughout history
English Quaker William Penn founds Philadelphia in the Pennsylvania Colony.
Parts of the U.S.-Canadian border are determined.
The Woman's Suffrage Convention is held at Mercantile Liberty Hall, Philadelphia, PA.
Susan B. Anthony is arrested, indicted, tried, and convicted for voting illegally for attempting to vote in the 1872 presidential election, paying a fine of $100.
Black inventor W. H. Richardson patents the baby carriage, which included a bassinet positioned to face either out or in and rotated on a central joint.
Nannie Helen Burroughs forms the National Training School for Women and Girls in Washington D.C. The School was the first vocational and academic training institution for Black women managed exclusively by Black women and provided critical education and employment pathways.
Columbia Records introduces the first long-playing (LP) record album that played 33 1/3 revolutions per minute (rpm) and expanded playback time to over 20 minutes per side. The revolutionary record replaced the shellac 78 rpm discs that held only a few minutes of audio.
The Air Force attacks guerrilla fighters in South Vietnam using B-52 bombers for the first time. The planes flew so high the sound of the engines could not be heard, giving the giving the enemy little to no warning before impact.
Sally Ride becomes the first American woman astronaut in space (STS-7). Her mission was to operate the shuttle's robotic arm to capture and retrieve a Shuttle Pallet Satellite (SPAS) that was holding science experiments.
People born on June 18
One of the first American jazz pianists to tour Europe.
Winemaker who revolutionized wine marketing and technical innovations for the California wine industry. His contributions elevated Napa Valley to global prominence.
Painter and illustrator who created the 1917 poster of Uncle Sam for the U.S. Army during WWI.
Co-Founder of the Folger Shakespeare Library in Washington, DC.
Known as "Mr. Basketball, Mikan was a 6 ft 10 in professional basketball player who was one of the first to wear "spectacles" as a professional player.
Founder of the E. W. Scripps Company and the first publisher organized the first major chain of newspapers in the U.S. The newspaper is still in operation today.
Keyboardist for the rock band Guns N' Roses.
Author and illustrator of the books Jumanji and The Polar Express.
Contemporary country singer.
Mathematician and co-founder of the Association for Women in Mathematics.
