it joined the UN on october 24 1945
Libya joined the UN on September 18th, 1990.
China x
China joined WTO on September 2001.
Indonesia first joined UN on September 28, 1950, and then withdrew in 1962 because UN condemned Indonesia's invasion to Malaysia. Indonesia rejoined the UN in 1964.
china joined the Korean war on October 25th 1950
The People's Republic of China (mainland) joined the UN on 24 October, 1945. This morning (2 Aug 2007), the BBC reported that Taiwan may consider re-applying to the UN under the name "Taiwan", and not "Republic of China". An embassador explained that this would be a technical approach, and the constitutional name "Republic of China" would be retained. Of course, it is not clear whether or not the UN would accept Taiwan's application even under the name "Taiwan".
The Netherlands joined the UN on December 10, 1945.
Ghana joined the United Nations on August 3, 1957.
The United Kingdom was a founder member of the UN founded in 1945
Very unstable. The North almost completely overran the South, only to be pushed back to the Yalu river by the UN, until China joined and pushed the UN back south.
It officially sent troops in 1963. It had been supplying materiel and providing military advisers from 1961.