From top to bottom, the colors represent sex, life, healing, sunlight, nature, magic and art, serenity, and spirit. The eight-color flag first flew over the San Francisco Gay Freedom Day Parade in June of 1978. Gilbert Baker, a friend of San Fancisco’s openly gay City Supervisor Harvey Milk, designs the first rainbow flag. Here’s a timeline of some of the major LGBTQ+ flags and what they stand for. The history of the Pride Flag goes back to the 1970s, and the design has changed numerous times over the years. Colorful flags are flown at many LGBTQ+ events.