Falling on October 10, Double Tenth Day commemorates the 1911 Wuchang uprising which ended Qing dynasty rule and led to the establishment of the Republic of China. But the day is only marked outside the Chinese mainland, and mostly by supporters of the Kuomintang or nationalists who lost China’s civil war to Communist forces in 1949. Double Tenth observances have been held for decades in Taiwan, Hong Kong and other places overseas where Kuomintang supporters fled. Since Hong Kong’s handover…