On April 30, more than 200 restaurants in Philadelphia will donate up to 33 percent of their proceeds to seven local AIDS service organizations (ASOs), Philadelphia City Paper reports.

According to Dining Out for Life's website, the annual fundraiser was created in 1991 by an ActionAIDS volunteer in Philadelphia. Today, more than 55 cities throughout Canada and the United States participate in the annual dining fund-raising event, bringing in about $4 million a year.

Cities participating in Dining Out for Life on Thursday, April 30, include Phoenix, Tampa Bay and Chicago among others.