Pink triangle and the LGBT rights movement. In Nazi concentration camps, each prisoner was required to wear a downward-pointing, equilateral triangular cloth badge on their chest, the color of which identified the reason for their imprisonment. Early on, homosexual male prisoners were variously identified with a green triangle (indicating criminals) or red triangle (political prisoners), the number "175" (referring to Paragraph 175, the section of the German penal code criminalizing homosexual activity), or the letter "A" (which stood for "Arschficker", literally "ass fucker"). Later, the use of a pink triangle was established for prisoners identified as homosexual men, which also included bisexual
David Gwinnutt led him to create the Pink Jack. A simple change to the Union Jack, the Pink Jack has the blue triangle shaped areas, in pink. The pink triangle was a symbol of oppression used by the Nazis to identify homosexuals. It was later reclaimed by gay men as a badge of honour and became a recognised LGBT symbol. Gwinnutt's first experiments with the design were in 1999 but he officially launched it at Europride in London 2006. The design was an instant hit and caught the mood in the UK at the time which was acknowledging equal rights for gay