14"/50 caliber railway guns
... that the 14"/50 caliber railway guns , used in France during World War I, were created when the U.S. Navy mounted five spare battleship guns on specially-made railway cars?
... that the <b id="mwDLg"><a class="mw-redirect" href='./14"/50_caliber_railway_gun' id="mwDLk" rel="mw:WikiLink" title='14"/50 caliber railway gun'>14"/50 caliber railway guns</a></b> <i id="mwDLo">(pictured)</i>, used in <a href="./France" id="mwDLs" rel="mw:WikiLink" title="France">France</a> during <a href="./World_War_I" id="mwDLw" rel="mw:WikiLink" title="World War I">World War I</a>, were created when the <a class="mw-redirect" href="./U.S._Navy" id="mwDL0" rel="mw:WikiLink" title="U.S. Navy">U.S. Navy</a> mounted five <a class="mw-redirect" href='./14"/50_caliber_gun' id="mwDL4" rel="mw:WikiLink" title='14"/50 caliber gun'>spare battleship guns</a> on specially-made <a class="mw-redirect" href="./Railway_car" id="mwDL8" rel="mw:WikiLink" title="Railway car">railway cars</a>?