2009 G20 London summit London Summit and to co-ordinate their actions. The meeting was organised at the initiative of German Chancellor Angela Merkel. The leaders agreed that markets, financial institutions and the wide range of financial assets they create, and hedge funds should be subject to appropriate control. In addition, they called for effective sanctions against tax havens. They also agreed to impose sanctions against countries that intend to undermine their work. Finally, they advocated the doubling of funds available to the IMF. Finance ministers and central bankers of the G20 met in Horsham on 14 March 2009 to prepare for the London Summit.
2009 G20 Pittsburgh summit 24, the leaders attended a reception at Phipps Conservatory in the Oakland neighborhood of Pittsburgh. The Summit proper began on the morning of September 25 at the David L. Lawrence Convention Center, downtown. The following participants of the Pittsburgh summit represented the core members of the G20, which includes 19 countries and the European Union which is represented by its two governing bodies, the European Council and the European Commission. After numerous denials of permits for groups such as Code Pink and Three Rivers Climate Convergence to assemble peaceful demonstrations, the ACLU of Pennsylvania successfully sued to force the city