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
2009 G20 London summit cause. On 26 March 2009 the Czech Prime Minister Mirek Topolanek strongly criticised the economic expansion policies of US President Barack Obama. G20 leaders began gathering in London on 1 April 2009. Before leaving for the London Summit, French President Nicolas Sarkozy suggested that if a meaningful deal was not agreed France would walk out of the summit echoing the "empty chair" gesture of then-French President Charles de Gaulle in 1965. At a joint press conference in London, Brown and Obama said that suggestions of a rift were exaggerated. Sarkozy attended a separate press conference with Merkel in which both