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
2010 G20 Toronto summit Halifax to celebrate the centennial of the Canadian Forces Maritime Command. Remaining leaders with the G8 also arrived on the same day. The Organisation for Economic Co-operation and Development and the International Labour Organization, as well as Ethiopia, Malawi, Nigeria, and Vietnam made their first G20 summit appearances in Toronto. Recently designated heads of government, namely Cameron and Japanese prime minister Naoto Kan, made the G8 and G20 summits their first international conferences. Australia's deputy prime minister, Wayne Swan, attended the summit on behalf of Julia Gillard, whose appointment as prime minister occurred on June 24. Brazilian president Luiz Inácio