The American Legion was chartered by the United States Congress in 1919 as a patriotic, war-time veterans organization, the nonprofit organization offers community-based services. Its more than 3 million members through over 14,000 posts worldwide offers immunization, substance abuse and crime prevention and financial assistance programs for veterans children. The American Legion also provides educational programs for the public. The organization conducts award ceremonies and volunteer activities. It monitors legislative and regulatory activities and recommends appropriate courses of action. The organization operates a library that provides military-related books, periodicals and journals for researchers and students. The American Legion also provides relocation, job placement and medical care programs for veteran members. It additionally provides law enforcement and disaster planning and preparation programs. The American Legion also offers American Legion Baseball, American Legion Boys State and Legion Riders programs. It maintains a location in Williston Park, N.Y.