The first official Flag Day was observed in Philadelphia, Pennsylvania in 1893. New York also proclaimed June 14 as Flag Day 1897. Other states were slow to follow. Some people thought that the day ...

The first official Flag Day was observed in Philadelphia, Pennsylvania in 1893. New York also proclaimed June 14 as Flag Day 1897. Other states were slow to follow. Some people thought that the day ...

为庆祝陆军建军250周年，美国几十年来规模最大的阅兵式将于“国旗日”(Flag Day)举行，这一天也恰逢总统特朗普的79岁生日。本视频介绍了参与阅兵的部队和装备安排，以及这场盛典可能将耗费多少资金。封面图片来源：Ryan Trefes ...