Backlash is a professional wrestling pay-per-view -LRB- PPV -RRB- event produced every April -LRB- with the exception of NUMBER@1 -RRB- by professional wrestling promotion MISC@1 -LRB- WWE -RRB- .

Backlash is an yearly professional wrestling pay-per-view event made by MISC@1 , which started in NUMBER@2 and is held in April -LRB- but NUMBER@1 was n't -RRB- .
