The 1st G6 summit took place on November 15–November 17, 1975 in Rambouillet, France. It later became G7 and G8 summit. Rambouillet is a commune in the metropolitan area of Paris, France. ... 1983 G-7 Economic Summit in Williamsburg, Virginia (left to right) Pierre Trudeau, Gaston Thorn, Helmut Kohl, François Mitterrand, Ronald Reagan, Yasuhiro Nakasone, Margaret Thatcher, Amintore Fanfani. ... G8 work session; July 20-22, 2001. ...