Complex sentence: President Warren G. Harding gave a speech in Meacham on July 4,1923, commemorating the Oregon Trail, at which time his wife was presented with a Pendleton blanket shawl in a design that became popular as the "Harding design".
Split into simpler sentences: President Warren G. Harding gave a speech in Meacham on July 4,1923 commemorating the Oregon Trail. At the time his wife was presented with a Pendleton blanket shawl in a design that became popular as the "Harding design".