More than 120 countries approved the first-ever treaty to ban nuclear weapons Friday at a UN meeting boycotted by all nuclear-armed nations. To loud applause, Elayne Whyte Gomez, president of the UN conference that has been negotiating the legally binding treaty, announced the results of the historic" vote - 122 nations in favour, the Netherlands opposed, and Singapore abstaining. "We have managed to sow the first seeds of a world free of nuclear weapons," Whyte Gomez said. "We (are) ... saying to our children that, yes, it is possible to inherit a world free from nuclear weapons. The world has been waiting for this legal norm for 70 years," since atomic bombs were dropped on Hiroshima and Nagasaki in August 1945 at the end of World War II, she said. None of the nine countries known or believed to possess nuclear weapons - the United States, Russia, Britain, China, France, India, Pakistan, North Korea and Israel - is supporting the treaty. The treaty will be opened for signatures in September and come into force when 50 countries have ratified it, [Whyte Gomez] said, and its language leaves the door open for nuclear weapon states to become parties to the agreement. The treaty requires of all ratifying countries "never under any circumstances to develop, test, produce, manufacture, otherwise acquire, possess or stockpile nuclear weapons or other nuclear explosive devices." It also bans any transfer or use of nuclear weapons or nuclear explosive devices - and the threat to use such weapons.