What is June 14 known as?

June 14 is known as Flag Day in the United States, a day dedicated to honoring the adoption of the U.S. flag by the Continental Congress in 1777. It is celebrated with various events, including parades and ceremonies, that emphasize patriotism and national pride. Additionally, June 14 is recognized as World Blood Donor Day, promoting awareness about the importance of donating blood and encouraging voluntary blood donations globally.