William Clark
Explorer who co-led the Lewis and Clark Expedition of 1804.
National days, ongoing national weeks and months, and global observances for August 1, 2027. Plus historical events and birthdays.

August 1, 2027 celebrates National Girlfriends Day, plus 8 more. On August 1 we celebrate National Girlfriends Day to encourage women across the globe to get together and celebrate their special bond of friendship.
Read the full story →National Sisters Day on the first Sunday in August celebrates the unique bond between sisters. This particular set of siblings embrace moments that make them laugh and cringe. While they don't always agree, sisters have each other's backs.
Read the full story →On the first Sunday in August, we celebrate National Friendship Day to encourage people across the world to connect with friends. Expand your view of the world by making a new friend or reconnecting with an old friend on National Friendship Day.
Read the full story →On August 1st, International Mahjong Day deals a game to get the celebration started! Play your tiles well, and perhaps you'll honor the day with a win.
Read the full story →On August 1, Respect for Parents Day recognizes the leadership roles parents play in not only a child's life, but also in our communities. Respect for Parents Day was created as a reminder that parents deserve and require respect and for all to consider the value that parents have in society.
Read the full story →American Family Day falls on the first Sunday in August encourages us to enjoy the waning summer rays with those dearest to us. Use this National Day to spend time with your family and make some memories that will last a lifetime.
Read the full story →National Raspberry Cream Pie Day on August 1 takes advantage of ripe raspberries available this time of year. If you're fortunate enough to enjoy some fresh-baked raspberry cream pie, it's a day to celebrate!
Read the full story →On August 1, Minority Donor Awareness Day focuses attention on the need for minority donors. Minority Donor Awareness Day highlights the need, especially among minorities, for more organ, eye, and tissue donors. This important day is part of the awareness campaign of National Minority Donor Awareness Week.
Read the full story →Congressional Startup Day serves as a vital bridge between the nation’s policy makers and its most innovative creators. Celebrated annually each August, this dedicated day offers startup founders and small business owners a direct platform to connect with their congressional representatives, share their challenges, and help shape policy that drives economic growth.
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.
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