Not to discourage further answers, but there's buttloads of amazing answers to similar questions on the history of relationships between Jewish people and others on Europe in our FAQ, including:
/u/yodatracist's answers on 'Why have Jews been expelled from so many countries?' and 'Were there any real factors that contributed to the anti-semitism in 1920s/1930s Europe?'
/u/vetmichael on 'Why are Jews so hated historically?'
/u/thrasumachos on 'Why have Jews been persecuted by so many groups, so fervently and so frequently?'