William Clark
Explorer who co-led the Lewis and Clark Expedition of 1804.
International observance days, weeks, and months for August 1, 2027. Plus historical events and birthdays.

August 1, 2027 celebrates World Scout Scarf Day, plus 4 more. Each year on August 1, scouts across the world celebrate World Scout Scarf Day. This day is for all active and former scout members to showcase their scout pride by wearing their yellow scarf's in public.
Read the full story →Every year on the Sunday closest to August 1, the Celtic festival Lughnasa kicks off the harvest season. The festival also marks the beginning of autumn and traditionally lasts for one month.
Read the full story →International Childfree Day occurs each year on August 1. On this day, show your support and honor those who willingly choose to live a child-free life, respectively.
Read the full story →World Lung Cancer Day occurs each year on August 1 as a day to participate and take an opportunity to bring awareness about lung cancer causes and prevention.
Read the full story →August 1 is Yorkshire Day in the United Kingdom and on the National Day Calendar and we are promoting this historic county.
Read the full story →People born on August 1
Explorer who co-led the Lewis and Clark Expedition of 1804.
Lawyer and amateur who wrote the British tune Defence of Fort M'Henry. The song became the American national anthem the Star-Spangled Banner.
Novelist who wrote Moby Dick.
Physician who pioneered the treatment of syphilis with penicillin.
The first Black woman cartoonist and who created the Torchy Brown and Patty-Jo 'n' Ginger comic strips.
Events that occurred on August 1 throughout history
President Ulysses S. Grant signs the proclamation to admit Colorado as the 38th state to join the Union.
Angel Island at San Francisco Bay, California becomes the U.S. Quarantine Station to prevent the spread of contagious diseases.
Henry Perky receives the patent for shredded wheat.
Harriet Quimby becomes the first woman in the U.S. to earn an Aero Club of America Aviator Certificate.
The first military Jeep (the Willys MB) officially mass-produced, following a contract awarded to Willys-Overland by the U.S. War Department.
President Harry S. Truman signs the Atomic Energy Act, establishing the Atomic Energy Commission. The shifted control of atomic energy from military to civilian hands.
The U.S. and Canada form the North American Aerospace Defense Command (NORAD). The organization carries out aerospace warnings, aerospace controls, and maritime warnings for North America.
U.S. Defense Secretary Robert McNamara officially ordered the creation of the Defense Intelligence Agency (DIA). The Agency was intended to centralize military intelligence, eliminate waste, and stop the different military branches from duplicating work.
Frank Herbert's novel, Dune was published for the first time. It is considered one of the world's best-selling science fiction novels in history.
MTV begins broadcasting and airs its first video, Video Killed the Radio Star by the The Buggles. The program was initially available only to households in parts of New Jersey and parts of the New York area.
Longer-running observances that include this date.