2009 G20 London summit a force for good in the medium term." Leaders of the member countries began to prepare for the London Summit months before the effective date, notably with two official meetings dedicated to that preparation, one held in Berlin, Germany, on 22 February 2009 for European leaders, and another in Horsham, Sussex, United Kingdom, on 14 March 2009 for Finance Ministers. Leaders of the four European Union member countries of the G20, the United Kingdom, Germany, France and Italy along with the two largest European non-members, Spain and the Netherlands, met in Berlin on 22 February 2009 to prepare for the
G20 and its summits have been a focus for major protests by left-wing groups and anarchists. The heads of the G20 nations met semi-annually at G20 summits between 2009 and 2010. Since the November 2011 Cannes summit, all G20 summits have been held annually. The G20 is the latest in a series of post–World War 2 initiatives aimed at international coordination of economic policy, which include institutions such as the "Bretton Woods twins", the International Monetary Fund and the World Bank, and what is now the World Trade Organization. The G20 was foreshadowed at the Cologne Summit of the G7 in