 Sizable National Day parades occur yearly in the Chinatowns of San Francisco and Chicago.As the Communist Party of China seized control of mainland China in 1949, October 10 is now celebrated in the People's Republic of China as the anniversary of the Xinhai Revolution and the Wuchang Uprising.The former British colony of Hong Kong celebrated the ROC National Day as a public holiday until the government of the United Kingdom cut its diplomatic relations with the ROC Government as London recognized Beijing in 1950, shortly after the PRC's founding and it was postponed.