September 9 is the 252nd day of the year in the Gregorian calendar, with 113 days remaining until the end of the year. It is often associated with the transition from summer to autumn in the Northern Hemisphere, marking a time when many schools are back in session and harvest activities begin. Several notable events have occurred on this date throughout history. For example, in 1776, the United States officially adopted the name “United States of America.” Additionally, September 9 is recognized as National Teddy Bear Day in the United States, celebrating the beloved stuffed toy.