<a href="https://en.wikipedia.org/wiki/Vietnam_War" id="mwAQ8" rel="mw:WikiLink" title="Vietnam War">Vietnam War</a>: U.S. President Richard Nixon announces his order to <a href="https://en.wikipedia.org/wiki/Operation_Pocket_Money" id="mwARA" rel="mw:WikiLink" title="Operation Pocket Money">place naval mines</a> in major North Vietnamese ports in order to stem the flow of weapons and other goods to that nation.