Learn the history of gay pride's rainbow flag

Meet artist Lynn Segerblom, the woman who helped create the original rainbow flag.
3:21 | 06/28/18

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Transcript for Learn the history of gay pride's rainbow flag
Reporter: It's a symbol of pride and defiance. Joy and tolerance. Reporter: Of hope and healing. An expression of self -- Being happy. Not caring what anybody thinks. Reporter: And a celebration of a community. The rainbow flag, vibrant stripes of color stitched as one. Same-sex marriage is now legal in every state in America. Reporter: It's a powerful reminder of how far this world has come -- Breaking news, another mass shooting in America unfolding -- Reporter: And how far we still have to go. It has lit up the white house and rocked red carpets. It's flown high in protests. Equal rights! Reporter: And headlined parades. And part of the international conversation both loud and proud and strong and silent. When I see a rainbow flag, I'm happy. Reporter: For Lynn segrablum, the rainbow flag is a deeply personal part of her own story. It wasn't like we thought this was going to be used for years. We were just trying to make something beautiful. Reporter: You see, it was Lynn, Gilbert baker, and James Mcnamara, she says, who created the design and vision for the original rainbow flag in San Francisco back in 1978. The rainbow flag, the originals were hand dyed, hand sewn, in large buckets of dye, salt, soda ash, and warm water. And you're lifting and stirring and pulling the fabric for hours. And then it has to be rinsed and rerinsed and then it has to be dried and ironed. I wanted to be like an American flag because I love the American flag. Reporter: At the one archives at usc, the largest collection of lgbt history in the world, Lynn and documentarian Glen mcilhiney reflected on the flag's first flight. Approximately 40 X 60, weighed many, many pounds, it took about six people to carry each one. Reporter: Across the nation, 40 years later, after those first flags soared in San Francisco, Tyler wallic has been celebrating pride all month. Personally having grown up knowing I was gay in Texas, the rain we flag was always something that actually kind of scared me. Reporter: Those same colors that sparked a movement, new age tools for his trade. It led me to embracing the color of the flag and using it in every piece of my art. It stands for love, light, and most of all, positivity. Reporter: Building on a decades-old legacy of ride and progress. We should never forget that one of the most amazing superpowers a community has is that it can help us speak our truth to ourselves. Our thanks to whoopi. Pride and dignity. It was Herbert Hoover who said, freedom is the open window through which pours the sunlight of the human spirit, and human dignity.

This transcript has been automatically generated and may not be 100% accurate.

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