World AIDS Day - 1 December.World AIDS Day is celebrated every year throughout the world on 1 December to make people aware of AIDS. AIDS is a pandemic disease caused by human immunodeficiency (HIV) virus infection. The theme of World AIDS Day in 2020 is "Ending HIV / AIDS epidemic: Resilience and impact".
People all over the world wear a red ribbon on this day to express their sentiment towards people suffering from AIDS. This is done to increase awareness among people about the issue. Along with this, people also sell this red ribbon to raise assistance for people fighting this disease.
Similarly, this day is also a way to pay tribute to the people who lost their lives while fighting this disease.