Old St. Pat’s World’s Largest Block Party is Kickin’ it Country & Rockin’ It Indie Style in Chicago June 18, 2013 102! That’s the minimum number of couples who have met and then married after meeting at Old St. Pat’s World’s Largest Block Party! What other street fest can say that? Check out this DNAinfo Block Party Love story. That’s right, none! But not only does the #WLBP have love in the air they are raising money for dozens of good causes and you get to benefit.