Happy Hump Day POU! Today's post is not so much about the Underground Railroad, as it is about the Underground Postal Service. This is truly a story that deserves the big screen. Henry "Box" Brown (c.1816–after 1889) was a 19th-century Virginia slave who escaped to freedom by arranging to have himself mailed to Philadelphia abolitionists in a wooden crate after 33 years of … [Read more...] about Wednesday Open Thread: The Underground Railroad