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
International Red Cross and Red Crescent Movement number of national societies operating under the Red Crescent symbol. Three years later, the seven basic principles of the movement as adopted in 1965 were incorporated into its statutes. The name of the League was changed again in 1991 to its current official designation the "International Federation of Red Cross and Red Crescent Societies". In 1997, the ICRC and the IFRC signed the Seville Agreement which further defined the responsibilities of both organizations within the movement. In 2004, the IFRC began its largest mission to date after the tsunami disaster in South Asia. More than 40 national societies have worked