Excellent work, Jeff. You may want to add prevented attacks or keep them on a separate list. Certainly stuff like the plot to shhot up Cherryvale Mall in Illinois or the Fort Dix plot make your case just as well as times a gun was fired.
Anyone know the earliest attack on US soil?
I think it was:
A pipe bomb was thrown through the front window of Cody’s on February 28, 1989 in response to Cody’s commitment to sell Salman Rushdie’s book, The Satanic Verses ...