According to the fishwarp, on this day in 1913, Philander C. Knox, Secretary of State to the Worst Pre-Carter President Ever, declared the 16th Amendment in effect.
And on this day in 1836, Samuel Colt patented his revolver.
Why people who owned the latter (and its successors, variants, cousins, and so forth) didn't use them to go after the government that approved the former remains a mystery.
