Richmond Shipyards
...that in five years of operation during World War II, more than 747 vessels were built in the Richmond Shipyards in Richmond, California—a feat not equaled anywhere else in the world, before or since?
...that in five years of operation during <a href="./World_War_II" id="mwDgA" rel="mw:WikiLink" title="World War II">World War II</a>, more than 747 vessels were built in the <b id="mwDgE"><a href="./Richmond_Shipyards" id="mwDgI" rel="mw:WikiLink" title="Richmond Shipyards">Richmond Shipyards</a></b> in <a href="./Richmond,_California" id="mwDgM" rel="mw:WikiLink" title="Richmond, California">Richmond, California</a><span id="mwDgQ" typeof="mw:Entity">—</span>a feat not equaled anywhere else in the world, before or since?