Celebrating a victory over Prohibition, “wet Congressmen enjoy some of the amber brew outside the Capitol,” the photo caption explains. Representative John J. O’Connor grinned as he filled his cup with Royal Pilsner from a keg, while other Members waited their turn for a tipple. In March 1933, Congress legalized the manufacture and sale of beer containing up to 3.2% alcohol, which had been outlawed since 1920.