National Bowling Day is observed worldwide every second Saturday of August, celebrating the sport and pastime of bowling. The holiday traces its roots back to a one-off event in 1956, sponsored by the Bowling Proprietors’ Association of America, NBC-TV, and the General Cigar Company, which aimed to raise funds for the American Red Cross through bowling tournaments across 48 states. Although the original event was not repeated, bowling enthusiasts revived National Bowling Day, and it has been celebrated annually since at least 2011. Typical customs include gathering friends and family to visit bowling alleys, where many offer special deals and discounts for the occasion. Participants may also take bowling lessons, watch bowling-related films like "The Big Lebowski," or share their experiences on social media using the hashtag #NationalBowlingDay. The modern sport of pin bowling has evolved since the 19th century, with the American Bowling Congress finalizing the rules in 1895, making bowling accessible to millions globally.