Ivan IV Vasilyevich
Also known as Ivan the Terrible, Ivan IV Vasilyevich was the Grand Prince of Moscow and all Russia from 1533 to 1547, and the first Tsar of Russia from 1547 until his death in 1584.
National days, ongoing national weeks and months, and global observances for August 25, 2027. Plus historical events and birthdays.

August 25, 2027 celebrates National Banana Split Day, plus 4 more.
Read the full story →National Kiss and Make up Day reminds us to end the quarrels, arguments, and fights. Instead, come to an agreement with anyone you've had a disagreement with on National Kiss and Make up Day on August 25.
Read the full story →On August 25, 1916, President Woodrow Wilson signed what is now called the Organic Act to establish the National Park Service. As part of the Department of Interior, the National Park Service protects 400 areas in 50 states, U.S. territories, and the District of Columbia, totaling 84 million acres.
Read the full story →People born on August 25
Also known as Ivan the Terrible, Ivan IV Vasilyevich was the Grand Prince of Moscow and all Russia from 1533 to 1547, and the first Tsar of Russia from 1547 until his death in 1584.
Inventor of the the Audion tube, enabling the development of the electronic oscillator, which led to radio broadcasting and long distance telephone lines possible.
Novelist who became the first woman to win the Pulitzer Prize for Drama.
Co-founder of the model train company Lionel Corporation and inventor of the electric toy train.
Dentist who pioneered investigation of using water fluoridation in the prevention of tooth decay.
Events that occurred on August 25 throughout history
Galileo Galilei demonstrates his first telescope to Venetian lawmakers. The successful demonstration earned him a doubled lifetime salary and a permanent professorship at the University of Padua.
President Andrew Jackson makes an offer to buy Texas to push the U.S. border southwest and prevent British influence in the region. The Mexican government viewed the offer as extremely suspicious.
The first Great Moon Hoax article is published in The New York Sun. The six series articles falsely report the discovery of life and civilization on the Moon. Thousands of readers, including scientists, believed the newspaper.
The first international polo match (U.S. vs England) is held at the Westchester Polo Club in Newport, Rhode Island. The contest was one of the earliest international sporting events.
President Woodrow Wilson signed the Organic Act, creating The National Park Service. The Act was created to protect national parks and monuments.
The world's first publicly marketed instant noodles, Chikin Ramen or Ramen, are introduced by Taiwanese-Japanese businessman Momofuku Ando.
Pop singer Aaliyah and members of her entourage die in a plane crash shortly after takeoff from Marsh Harbour Airport, Bahamas. The aircraft is said to have been overloaded, causing the plane to crash.
Hurricane Katrina makes landfall in Florida causing injuries and flooding. The hurricane moved south-westward across the extreme southern tip of Florida.
Kidnapping victim Jaycee Dugard is discovered alive in California after being missing for over 18 years.
Longer-running observances that include this date.
Showing the first 12 — See all months for August.