In 2010,128 countreis participated in earth hour
in 2010, 126 countries participated
I took part in earth hour and hope it saved the earth did you take part????
There were about 135 countries that took part in Earth hour.
44 countries participated in the 1924 Summer Olympics. 16 countries participated in the 1924 Winter Olympics.
71 countries participated at the 2010 Commonwealth Games.
Earth Hour 2009 was carried out across 25 time zones, and involved 4000 cities in 88 countries.
44 countries participated in the 1924 Summer Olympics. 16 countries participated in the 1924 Winter Olympics.
67 countries first participated in the International Geophysical Year in 1957-1958.
names of countries that participated in the Beijing olyiumpics games 2008
11 Countries Participated in first Asian Games
46 countries participated in the Commonwealth Games in 1990
45 countries participated at the 16th Asian Games in 2010.