["https:\/\/schema.org\/","TouristAttraction","Mississippi Freedom Trail – Marks Mule Train and Poor People’s","In March 1968, Martin Luther King Jr. visited Marks to get support for a Poor People’s Campaign. King envisioned a march that would begin with mule and wagon trains in Mississippi before converging on Washington, D.C. The mule train eventually",{"@type":"ImageObject","@id":"https:\/\/visitmississippi.org\/wp-content\/uploads\/2024\/07\/FreedomTrail_1920x1080.jpg","url":"https:\/\/visitmississippi.org\/wp-content\/uploads\/2024\/07\/FreedomTrail_1920x1080.jpg","height":1080,"width":1920},"https:\/\/visitmississippi.org\/things-to-do\/cultural-trails\/mississippi-freedom-trail-marks-mule-train-and-poor-peoples\/"]