The Adventures of Huckleberry Finn is an American event, which signifies the publication of the famous novel The Adventures of Huckleberry Finn by Mark Twain.
It can happen anytime between 1885 and 1888 with no other requirements. It has a mean time to happen of 5 months, which is decreased by 25% after 1886, and by another 5% after 1887.
It gives 5 prestige