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
Pink triangle Richard Plant – author of "The Pink Triangle: The Nazi War Against Homosexuals –" gives a rough estimate of the number convicted for homosexuality "between 1933 to 1944 at between 50,000 and 63,000". After the camps were liberated at the end of the Second World War, many of the prisoners imprisoned for homosexuality were re-incarcerated by the Allied-established Federal Republic of Germany. An openly homosexual man named Heinz Dörmer, for instance, served 20 years total, first in a Nazi concentration camp and then in the jails of the new Republic. The Nazi amendments to Paragraph 175, which turned homosexuality from