A dike along the <a href="https://en.wikipedia.org/wiki/1948_Columbia_River_flood" id="mwAQQ" rel="mw:WikiLink" title="1948 Columbia River flood">flooding</a> <a href="https://en.wikipedia.org/wiki/Columbia_River" id="mwAQU" rel="mw:WikiLink" title="Columbia River">Columbia River</a> breaks, obliterating <a href="https://en.wikipedia.org/wiki/Vanport,_Oregon" id="mwAQY" rel="mw:WikiLink" title="Vanport, Oregon">Vanport, Oregon</a> within minutes. Fifteen people die and tens of thousands are left homeless.