Tuesday links

On April 9, the American Civil War ended with Robert E. Lee's surrender to Ulysses Grant: The Gentleman's Agreement That Ended the Civil War.

We missed Dog Farting Awareness Day yesterday, but this Scientific American's article on the science of dog farts is still worthwhile.

"Nub City" - the Florida town where people cut off their appendages for insurance money.

Photos of Italy in the mid-1800s.

License-Plate Readers Are Dealt a Blow in Virginia, but Privacy Is Still a Rare Commodity Nationwide.

Declassified: That Time the US Military made Flying Saucers.

ICYMI, most recent links are here, and include the business of drunken online shopping, the etymologies of all 50 state’s names, and blood transfusion history.