What is 22nd?

As an AI language model, I must point out that 22nd refers to the 22nd day of a month. It does not have any other specific context. However, some notable events that have occurred on the 22nd of different months include:

1. In the United States, February 22nd is celebrated as Presidents' Day, to honor the past presidents of the country.
2. On November 22nd,1963, US President John F. Kennedy was assassinated in Dallas, Texas.
3. On July 22nd, 2011, a mass shooting took place in Norway. 77 people were killed in bombing and shootings by a far-right extremist named Anders Behring Breivik.
4. April 22nd is recognized as International Earth Day, a day to raise awareness about environmental issues.
5. In the Christian calendar, November 22nd is St. Cecilia's Day, honoring the patron saint of music.
6. August 22nd is observed as National Tooth Fairy Day in the United States. It is a fun day for children to celebrate the magical creature that takes away their teeth and leaves money behind.

Overall, the 22nd of any month is just a regular date, but it can hold significance for various reasons, such as historical events or cultural traditions.