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
2017 G20 Hamburg summit part in the 2017 G20 Hamburg summit: Brazilian President Michel Temer initially cancelled his trip to Hamburg without giving any reasons, facing corruption charges by General Prosecutor Rodrigo Janot, who has accused him of accepting bribes from meat company JBS S.A. On July 4, Temer reversed his decision and announced he would attend. King Salman cancelled his plan to participate at the summit and sent State Minister Ibrahim Abdulaziz Al-Assaf on his behalf to lead the Kingdom's delegation to the summit. No official reason was provided. Security zones with limited access, and a significantly larger presence of Hamburg police assisted