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 Trust matters concerning humanism and nontheism. "Pink Triangle" was a forum provided by the Trust for the discussion and interchange of ideas concerning humanism as it relates to gay and lesbian issues, and how gay and lesbian issues relate to humanism. “But gay and lesbian issues and those concerning humanism don’t exist in a bubble,” says the blog’s sidebar: “they are part of the wider world. Hence, there will be scope for broad discussion on these and related ethical issues.” The blog featured news of relevant issues, with or without comment from the author, and aimed to generate lively discussion in