AA Founders’ Day is observed worldwide on June 10 every year to commemorate the founding anniversary of Alcoholics Anonymous (AA). This date marks the day in 1935 when co-founder Bob Smith achieved sobriety after meeting Bill Wilson, who had also struggled with alcoholism. The celebration honors the legacy of Wilson and Smith, who developed a twelve-step program aimed at helping alcoholics recover through mutual support and spiritual guidance. The largest celebration occurs in Akron, Ohio, where AA was founded, attracting around 10,000 members annually. The event highlights the importance of community and recovery, reflecting the principles established in Wilson's influential book, "Alcoholics Anonymous," also known as the Big Book.