Poor People's Campaign
... that several thousand people lived on Washington's National Mall for six weeks in 1968 as part of the Poor People's Campaign?
... that several thousand people lived on Washington's <a href="./National_Mall" id="mwBI4" rel="mw:WikiLink" title="National Mall">National Mall</a> <i id="mwBI8">(pictured)</i> for six weeks in 1968 as part of the <b id="mwBJA"><a href="./Poor_People's_Campaign" id="mwBJE" rel="mw:WikiLink" title="Poor People's Campaign">Poor People's Campaign</a></b>?