Deodoro da Fonseca
The first President of Brazil.
National days, ongoing national weeks and months, and global observances for August 4, 2026. Plus historical events and birthdays.

August 4, 2026 celebrates National Chocolate Chip Cookie Day, plus 2 more. National Chocolate Chip Cookie Day on August 4 gives us an opportunity to dunk America's #1 favorite cookie in a tall glass of ice cold milk, coffee, or tea! Whether yours are homemade or store bought, the only way to celebrate is to indulge in chocolate chip cookies.
Read the full story →National Night Out Day on the first Tuesday in August promotes police-community partnerships in neighborhoods across the country. The event focuses on the community and raising awareness through camaraderie. By improving area relationships, the hope is to make our neighborhoods safer.
Read the full story →National Coast Guard Day on August 4 celebrates and honors the courageous work of the service members of Coast Guard. Today, we salute all Coast Guard members, active and inactive, for their service to our country.
Read the full story →People born on August 4
The first President of Brazil.
Born into Scottish nobility, Elizabeth Bowes-Lyon became queen consort as the wife of King George VI. Later known as the Queen Mother, she provided vital moral support during World War II.
American trumpet player and singer nicknamed “Satchmo” or “Pops”. His career spanned five decades and included trumpet player, singer, and influential figure in the Jazz genre.
Middle-distance runner who was considered the greatest American miler of all time. In 1933, he received the James E. Sullivan Award as the top amateur athlete in the U.S.
Film score compose referred to as the Godfather of Films Music.
Events that occurred on August 4 throughout history
President George Washington passes a tariff act to create the Revenue Cutter Service, which was the forerunner of the U.S. Coast Guard. Fleet consisted of 10 fast-moving sailing vessels and operated under the U.S. Department of the Treasury.
The Saturday Evening Post is published for the first time as a weekly newspaper. The Post was originally a 4 page paper that published current events, editorials, human interest pieces, humor, illustrations, a letter column, poetry, and cartoons.
President Jimmy Carter signs the Department of Energy Organization Act, creating the U.S. Department of Energy.
Longer-running observances that include this date.
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