On Thursday 14 January 2016 there will be an interesting conference on the global history of slavery at the Academy of Sciences and Literature in Mainz. Among other speakers Orlando Patterson will give an evening lecture on “Slavery: Ancient, Modern and Contemporary”.
For further information see http://www.adwmainz.de/fileadmin/adwmainz/veran16/2016_01_14_Antike_Sklaverei.pdf