Organizations established in 1915

civil society organization

AMORC (standing for, among others, the Ancient Mystical Order of the Rosy Cross, Antiquus Mysticusque Ordo Rosae Crucis or the Ancient and Mystical Order Rosæ Crucis) is a Rosicrucian organization founded by Harvey Spencer Lewis in the United States in 1915. It has lodges, chapters and other affiliated bodies in several countries. It operates as a fraternal order in the mystical Western Esoteric Tradition. There are 12 grand lodges that represent the geographical regions and languages in which AMORC operates, including English, French, and German grand lodges. It is the largest Rosicrucian ord

is Japan's largest yakuza organization. It is named after its founder Harukichi Yamaguchi. Its origins can be traced back to a loose labor union for dockworkers in Kobe before World War II.

South Slavic unification ad-hoc body

nonprofit organization

International engineering standards organisation

Kiwanis International ( ) is an international service club founded in 1915 in Detroit, Michigan. It is headquartered in Indianapolis, Indiana, United States, and is found in more than 80 nations and geographic areas. In 1987, the organization began to accept women as members. Kiwanis and its affiliated clubs have more than 600,000 members. Kiwanis clubs raise over $100 million each year and report over 18.5 million volunteer hours to strengthen communities and serve children.

British Desiderata re Ottoman Empire

political movement

Literary organization

Museum in Belgium

organization of women physicians and medical student

voluntary women's organization