Home Space July 4, 1997: Sojourner Arrives on the Red PlanetTechSpaceJuly 4, 1997: Sojourner Arrives on the Red PlanetJuly 1, 2020126FacebookTwitterPinterestWhatsApp Hitching a ride on the Mars Pathfinder mission, the Sojourner rover arrived on Mars on July 4, 1997.Source: nasa.gov