Nettie Stevens
Geneticist who discovered the X and Y chromosomes.
International observance days, weeks, and months for June 25, 2027. Plus historical events and birthdays.

June 25, 2027 celebrates Global Beatles Day, plus 3 more. June 25 is a day someone may want to hold your hand and ask you to please, please be true because they love you yeah, yeah, yeah. Global Beatles Day or GBD commemorates The Beatles music and their shake-up of the music world.
Read the full story →Every year on the last Friday in June, British tradition comes alive on International Cream Tea Day (formerly National Cream Tea Day). This International Day celebrates a tradition enjoyed at social occasions, lawn parties, and with guests in your home.
Read the full story →The Day of the Seafarer on June 25 recognizes the valuable contribution seafarers make to international trade and the world economy. Let's take a little time today to honor those individuals that sail for long periods of time to provide us with goods.
Read the full story →World Vitiligo Day on June 25 celebrates the lives of those with vitiligo and builds global awareness about this skin disease.
Read the full story →People born on June 25
Geneticist who discovered the X and Y chromosomes.
The first published female cartoonist in the U.S. who rose to fame rose for creating the popular comic strip characters, Kewpies.
Children's author and illustrator. He wrote The Very Hungry Caterpillar, The Grouchy Ladybug, and The Mixed-Up Chameleon.
Author, playwright, and activist who co-founded the Gay Men's Health Crisis organization.
Singer, songwriter, musician, and author who rose to fame with his 1970s hit single That's the Way I've Always Heard It Should Be and You're So Vain.
Events that occurred on June 25 throughout history
Governor Winthrop introduces the fork to American dining. However, Puritan colonists rejected the two-pronged utensil because they felt it was associated with Satan's pitchfork.
Virginia becomes the tenth state to join the Union. The state was the largest of the 13 colonies and creating a federal government was pivotable to move forward with creating the Bill of Rights.
Lucien Smith patents the first barbed wire.
President Andrew Johnson signs a law establishing an 8-hour workday for government workers. President Johnson initially vetoed the law, but Congress overrode the veto, causing the President to sign.
Lieutenant Colonel George Armstrong Custer and 7th Cavalry Regiment are wiped out by the 5,000 Sioux (Lakota, Cheyenne and Arapaho, led by Sitting Bull and Crazy Horse). The battle became known as "Custer's last Stand".
The U.S. Congress passes the Mann Act, which criminalizes the transportation of women or girls across state lines or international borders for prostitution, debauchery, or "any other immoral purpose".
American Civil War veterans begin arriving at the Great Reunion of 1913, for the 50th anniversary of the Battle of Gettysburg. Nearly 53,407 veterans from 46 of the then-48 states gathered to celebrate reconciliation after the Civil War..
President Herbert Hoover signed a proclamation declaring the Colorado River Compact effective. The legislation authorized construction of the Boulder Dam (Hoover Dam).
President Roosevelt signs the National Firearms Act into law. The Act was originally created to require gun owners to register firearms to determine the excise tax. It also was an indirect step to expand the federal government's reach into criminal justice to crack down on rampant bootlegging, kidnappings, and gang violence.
President Harry S. Truman signs the Displaced Persons Act, allowing World War II refugees to immigrate to the United States above quota restrictions. Immigrants had to secure employment that wouldn't displace an American worker, have suitable housing, and provide a resident sponsor before arrival.
The rainbow flag representing gay pride is flown for the first time during the San Francisco Gay Freedom Day Parade.