The MDA Labor Day Telethon was an annual telethon held on Labor Day in the United States to raise money for the Muscular Dystrophy Association (MDA), which was founded in 1950 with hopes of ... Read allThe MDA Labor Day Telethon was an annual telethon held on Labor Day in the United States to raise money for the Muscular Dystrophy Association (MDA), which was founded in 1950 with hopes of gaining the American public's interest.The MDA Labor Day Telethon was an annual telethon held on Labor Day in the United States to raise money for the Muscular Dystrophy Association (MDA), which was founded in 1950 with hopes of gaining the American public's interest.