December 1, 2021, was the first day of the last month of the year. It fell on a Wednesday and marked the beginning of the holiday season for many people around the world. This date is often associated with preparations for celebrations like Christmas and Hanukkah. On this day, various events and observances took place globally. For instance, it was recognized as World AIDS Day, a day dedicated to raising awareness about the HIV/AIDS epidemic and promoting education and support for those affected. Many organizations held campaigns to encourage testing and treatment.