Juneteenth is the oldest nationally celebrated commemoration of the ending of slavery in the United States. Quick Links Home Welcome Celebration Notes The Spirit Of Juneteenth History of Juneteenth How to Celebrate The White House DNC RNC ...
Mavraeidopoulos 1,2 1 Hellenic Naval Academy, Navigation and Sea Sciences Laboratory, 18539 Pireas, Greece; amavra@geol.uoa.gr 2 National and Kapodistrian University of Athens, Remote Sensing Laboratory, 157 84 Athens, Greece * Correspondence: palikari@hna.gr Received: 4 March 2020; Accepted: ...