United Nations conference took place on April 25, 1945 --FDR died on April 12, but had chosen Republican and Democratic representatives to meet at the San Francisco War Memorial Opera House with representatives from 50 nations, fashioning a United Nations' charter similar to the old League of Nations covenant --- featured a Security Council dominated by the US, Britain, USSR, France, and China (the big 5 powers) who could veto, and an Assembly that could be controlled by smaller countries --the UN's permanent home was in NY city.