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
LGBT symbols subject to censorship, many Parisian lesbians wore violets to demonstrate solidarity with its lesbian subject matter. One of the oldest of these symbols is the inverted pink triangle that male homosexuals in Nazi concentration camps were required to wear on their clothing. The badge is one of several badges that internees wore to identify what kind of prisoners they were. Many of the estimated 5–15,000 gay men and lesbians imprisoned in concentration camps died during the Holocaust. The pink triangle was later reclaimed by gay men, as well as some lesbians, in various political movements as a symbol of personal