1911 - Mr J.R. Hennessey with his record 350 pound buck
1912 -Ithaca Gun Co introduced their first single-barrel shotgun especially designed for trapshooting. This was known around the Ithaca Plant as the Flues Model after it's designer Emil Flues.
1930 - First appearance of the patented "Red Spot" safety
1931 - Introduction of the "Lightening Lock" for single barrel trap guns