Unique 18++ Lily Evans And James Potter Wedding. This scene had to take place in autumn 1979 ]i was just asking because the line read the wedding of james potter and lily evans took place in 1979 or 1980. the issue was resolved by. And then sirius black decides to make her company. The wedding of james potter i and lily evans took place sometime between the summer of 1978 and the autumn of 1979.