Find out about Philadelphia becoming the first World Heritage City in the U.S.

At this month's meeting of the open group Design Advocacy Group (DAG), you can find out about the process behind and how to get involved with making Philadelphia the first World Heritage City in the U.S., which — no matter what it actually entails — sounds like it should be in this city's arsenal of firsts.

Where: Center for Architecture at 1218 Arch St.

When: September 3, 2015 at 8:00 a.m.

How much: Free