Today is October 1, 2023, but there is no specific national day celebrated worldwide on this date. However, there are several national days celebrated in different countries and regions, as well as other holidays and observances. Some of the national days celebrated on October 1, 2023, include National Herpes Awareness Day, Mid-Autumn Festival, National Black Dog Day, National Hair Day, National Fire Pup Day, and others. It is important to note that national days are specific to each country or region and may vary depending on the location.