I know the rest of you have television and have probably seen this. I don't though, so I occasionally search on YouTube for things. This is a clip from ABC about the 60th Anniversary of Queen Elizabeth and Prince Philip. It is an amazing milestone.
"Slavery ended in medieval Europe only because the church extended its sacraments to all slaves and then managed to impose a ban on the enslavement of Christians (and of Jews). Within the context of medieval Europe, that prohibition was effectively a rule of universal abolition. "— Rodney Stark