U.S. revenue stamps
... that the first U.S. revenue stamps were issued in 1862 to raise money for the American Civil War?
... that the first <b id="mwA88"><a href="./Revenue_stamps_of_the_United_States" id="mwA9A" rel="mw:WikiLink" title="Revenue stamps of the United States">U.S. revenue stamps</a></b> <i id="mwA9E">(example pictured)</i> were issued in 1862 to raise money for the <a href="./American_Civil_War" id="mwA9I" rel="mw:WikiLink" title="American Civil War">American Civil War</a>?