Yes, it's Tax Day. Actually, you have until Monday at midnight to file this year.
But it's also the day in 1865 that Abraham Lincoln died after being shot the night before while watching a show in Washington D.C.'s Ford's Theater. He was 56 and the first U.S. president to be assassinated.
What's any of this have to do with factory automation? Well, the chair in which Lincoln was sitting when he was shot by John Wilkes Booth resides -- blood stains and all -- in the Henry Ford Museum in Dearborn, Mich.
Ford, of course, is generally considered the father of modern factory automation and scientific management. And now you know.