World AIDS Day is celebrated each year on which date?

1 December

The correct answer is Option (1) - 1 December

World AIDS Day is celebrated each year on December 1. 

• This day has been designated as World AIDS Day since 1988 by the World Health Organization (WHO) and the United Nations Programme on HIV/AIDS (UNAIDS). 
• It provides an opportunity to raise awareness about the AIDS pandemic, show support for people living with HIV/AIDS, and commemorate those who have died from AIDS-related illnesses.