Home / Guided Primary Source Analyses / Featured Source: Congress passes daylight saving bill Guided Primary Source Analyses Featured Source: Congress passes daylight saving bill November 4, 2013March 15, 2020 United Cigar Stores Company, sponsor. “Victory! Congress passes daylight saving bill.” 1918. World War I Posters. Library of Congress Prints and Photographs. Summary: Poster showing Uncle Sam turning a clock to Daylight Savings time as a clock-headed figure throws his hat in the air. The clock face of the figure reads “One hour of extra daylight.”