When was the G20 Summit held in Hangzhou?
20 16.g20 summit refers to G20 leaders' summit, and G20 Hangzhou summit refers to the 11th G20 leaders' summit, which was held in Hangzhou, Zhejiang Province, China from September 4th to 5th, 20 16. The theme of the 11th G20 Summit is "Building an Innovative, Dynamic, Linked and Inclusive World Economy".