The installment for October 25, 1896—"The Yellow Kid and his New Phonograph"—featured speech balloons for the first time. Outcault's strips appeared twice a week in the "Journal", and took on a form that was to become standard: multipanel strips in which the images and text were inextricably bound to each other. Comics historian Bill Blackbeard asserted this made it "nothing less than the first definitive comic strip in history". From January to May 1897, Hearst sent Outcault and the "Humorist"s editor Rudolph Block to Europe, a trip Outcault reported on in the paper through a mock Yellow Kid diary and an "Around the World with the Yellow Kid" strip, which took the place of "McFadden's Row of Flats".