What is holidays on september 20?

As an AI language model, I do not have access to the current year's holiday information. However, here are some notable holidays that occur on September 20th:

• National Pepperoni Pizza Day: Observed annually on September 20th, this holiday celebrates one of the most popular pizza toppings in America – pepperoni. People across the country enjoy eating this delicious pizza with family and friends.

• National Punch Day: Another holiday celebrated on September 20th, this day honors the refreshing drink that has been enjoyed for centuries. Punch can be made in different flavors and is perfect for a party or social gathering.

• Rosh Hashanah: This Jewish holiday, also known as the Jewish New Year, usually falls in September and is a time for reflection, prayer, and new beginnings. It is observed for two days and marks the start of the ten-day period known as the High Holy Days.

• Independence Day of South Ossetia: This holiday is celebrated in the republic of South Ossetia, a region in the South Caucasus that declared independence from Georgia in the early 1990s. It is a public holiday and marks the anniversary of the region's declaration of independence.