Liberty bonds were sold in 1914.
A Liberty bond ( or liberty loan ) was a war bond that was sold in the United States to support the allied cause in World War I. Subscribing to the bonds became a symbol of patriotic duty in the United States and introduced the idea of financial securities to many citizens for the first time . World War I ( WWI or WW1 ) , also known as the First World War , the Great War , or the War to End All Wars , was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918 .