Ulysses Simpson Grant commanded the Union (northern) army in the American Civil War from March 1864.
It was not until 1870 when the wide-eyed Twain, freshly off the publication of his first book, got the chance to meet the-then first-term President Grant.
US Presidential campaign poster for General Ulysses S. Grant Schuyler Colfax in 1868.
Mark Twain, center, in 1865.
It was a chance encounter that bred mutual admiration, which over time blossomed into a growing friendship and ultimately mutual understanding.
One of Grant’s first tasks as a colonel was to disband a group of about secessionists in Twain’s home state of Missouri who were making trouble for Union troops a few months before the Battle Of Belmont, pictured.