2014 Event Leaders of Hong Kong's pro-democracy movement have been denied permission to travel to the mainland; the men sought to fly to Beijing to present their grievances to Chinese Premier Li Keqiang 2014 Event A memorial event was held in Hong Kong in remembrance of lives lost in Tiananmen Square protests in Beijing in 1989; authorities on the mainland tightened security and may be detaining many in order to avoid commemorative protests at the square itself 2013 Event Days after a new U.S.-South Korea military pact, North Korea issues new threats to strike targets in Hawaii, Guam, South Korea and the U.S. mainland 2013 Event In retaliation for recently approved U.N. sanctions, generals in North Korea claim they are aiming their long range missiles at the U.S. mainland 1963 Event Sultan of Zanzibar cedes his mainland possessions to Kenya 1957 Event Dike Marken-Dutch mainland closed 1949 Event Chinese Nationalist government moves from Chinese mainland to Formosa 1944 Event 1st B-29 raid against mainland Japan 1943 Event 1st Long Tom bombs on Italian mainland (from Sicily) 1942 Event U.S. bombers struck Italian mainland for 1st time in WW II 1936 Event 1st commercial flight from mainland to Hawaii
