Final answer:
National Coming Out Day is celebrated on October 11 every year as a day for LGBTQ individuals to declare their sexual orientation or gender identity and promote equality. It was established in 1988 and is now observed internationally.
Step-by-step explanation:
National Coming Out Day is celebrated on October 11 every year. It was established in 1988 by Robert Eichberg and Jean O'Leary, the founders of the day. While it originated in the United States, it is now internationally observed as a day for LGBTQ individuals to declare their sexual orientation or gender identity. The day promotes the empowerment of coming out and aims to increase support for equality by fostering understanding and acceptance. National Coming Out Day is part of LGBTQ History Month, which takes place in October.