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 Press existence for more than 25 years. PTP ceased printing The Guide in April 2010, and move to an online format only at Guidemag.com. In February 2008 Pink Triangle Press acquired Toronto-based publication "fab", a gay scene magazine which had previously been seen as "Xtra!"'s competition. On March 12, 2013, Pink Triangle Press announced that "fab" would be discontinued, with its final issue slated for publication on April 24. In March 2017 Pink Triangle Press acquired the location based gay dating and social network app GuySpy. The terms of the deal were not disclosed. The acquisition was part of Pink Triangle