Pittsburgh Celebrates Birthday: Thousands march to celebrate 100th year as city, Pittsburgh, Pa. Subtitle: The “Smoky City” in panorama. Dog Express from the Arctic: Hudson Bay trader arriving from his post in Northern wilds on yearly trip by dog train, Winnipeg, Canada. America for Pure Food: Government saturates with oil and burns 600 cases of confiscated tomatoes, Houston, Texas. Trying to Get Free Ride: Throngs see pavement chopped away to save horse that fell into subway, New York City. Bryan Keeps Busy: Ex-Secretary of State makes seven speeches in a day on peace. Prohibition, preparedness and Suffrage: Wichita, Kans. Subtitle: Grand Jury witnesses knit while waiting to be called, Wichita, Kans. Girls Do Have Troubles! Violet Mersereau, Universal star, trying to pick a spring hat, New York City. Courtesy London Feather Company. Autos Chase Zeppelins: “Air raid alarm” sends Middlesex Motor Battalion out on practice scout, Hendon, England. Wounded Soldiers Chase Hares: eagle hunt held near convalescent home to amuse men from Gallipoli. Worcester Park, England. Off to the War: Farewell parade of Naval Hospital Battalion from Laval University, Montreal, Canada. Movie Stars Dance: Filmdom’s prominent people guests at Universal’s masque ball, New York City. Uncle Sam’s Mystery Ship: Transport “Hancock,” sailing under secret orders, may be going to take marines to Mexico, Philadelphia, Pa. U. S. Crossing Border: Cavalry quits United States for long chase after Villa. Subtitles: Pursuit leads over sandy desert. Mountain battery makes record speed. Inspecting prisoners’ baggage. Francisco Villa, his head worth $50,000. Launch New U. S. Warcraft: The “Rowan,” latest type of torpedo boat destroyer, christened, Quincy, Mass. Still World’s Champion: Jess Willard, who beat Moran in title bout, New York City. Subtitles: Shadow boxing. “Belting” the bag. Fast work with trainer. Cartoons by Hy Mayer.