Most people shaking cocktails/mocktails simultaneously

The most people shaking cocktails simultaneously involved 1,710 participants and was achieved by Diageo in Barcelona, Spain, on 18 September 2013. This record attempt was held at DIAGEO's Western Europe conference. All of the participants made a crude version of a vodka martini which included vodka, vermouth and lemon zest. This session was ran by Kenji Jesse who is the global ambassador for DIAGEO's brands.