Complex sentence: The program won the national championship in men's lacrosse four times: 1892,1894,1917 and 1918 and conference championships in the Skyline Conference and Empire 8.
Split into simpler sentences: The program won the national championship in men's lacrosse four times: 1892,1894,1917 and 1918. It has also won conference championships in the Skyline Conference and the Empire 8.