Complex sentence: Under President Woodrow Wilson it was the first American motion picture to be screened at the White House, although in 1914 the Italian film "Cabiria" had been shown on the White House lawn.
Split into simpler sentences: Under President Woodrow Wilson it was the first American motion picture to be screened at the White House. Although in 1914, the Italian film "Cabiria" had been shown on the White House lawn.