St. Paul, Minn: The Mississippi Valley Power Boat Association holds its annual regatta with motorboat races, featuring a program of water sports. Roslyn, L.I: Charles Evans Hughes, Republican nominee for President, is honored guest at the country home of Harry Payne Whitney. Brownsville, Texas: The Fourteenth Infantry, N.Y.N.G., arriving at the Mexican border, strengthens the patrol here. The staff of General John F. O'Ryan, commander of the N.Y.N.G., holds an important conference. San Diego, Cal: Within one hour after orders were received, the United States regular army garrison at Fort Rosencrans, entrains for the Mexican border. Minneapolis, Minn: Ralph de Palma wins a thrilling 150-mile auto race over the Twin Cities' Motor Speedway. San Diego, Cal: Several hundred refugees from Mexico, who fled that country at the approach of war, arrive here on the U.S. transport Buffalo. Fashion Section: The season's latest fashions are pictured in the most appropriate outdoor settings. Salonica, Greece: Native troops from Indio-China, a province of France, are now fighting for the cause of the Allies in this section. The Chinese soldiers bring with them the unique costumes and customs of their native land. Provincetown, Mass: The M-1, largest submarine of the U.S. Navy, is put through an exacting trial trip. Washington, D.C: United States honors Captain C.T. Boyd, who fell while leading his troops of the 10th U.S. Cavalry against a larger force of Carranza soldiers at Carrizal. A hero's military funeral is accorded to that officer. New York: Health authorities exert their best efforts to clean up Greater New York and stop the ravages of the dread scourge, infantile paralysis, which has killed nearly three hundred babies in less than one month. New York: Several persons are killed and many injured in an explosion of the refrigerating machine in a refrigerating plant at Brooklyn.
—Moving Picture World synopsis