7月27日历史上的重要事件

7月27日在历史上见证了众多重大事件。11953年的这一天，朝鲜停战协定在板门店签署，结束了长达三年的朝鲜战争，该战争造成约400万人死亡。1在美国政治史上，1974年7月27日众议院司法委员会以27票对11票的结果通过了对理查德·尼克松总统的第一项弹劾条款。1

科技与体育发展也在这一天留下了印记。1909年7月27日，莱特兄弟进行了美国陆军首架飞机的官方测试，飞行时间达1小时12分钟。1音乐产业方面，《公告牌》杂志在1940年7月27日发布了首个音乐热门排行榜，汤米·多西乐队的歌曲《I'll Never Smile Again》位列第一。1奥运赛事与7月27日的关联同样深刻：1996年亚特兰大奥运会百年公园发生管状炸弹爆炸，直接造成1人死亡、111人受伤；12012年伦敦奥运会在这一天开幕。1

近年来的历史事件同样值得关注。2018年7月27日，白宫宣布朝鲜同意归还美国朝鲜战争期间的阵亡军人遗骸，美军飞机随后赴朝取回55箱遗骸。12020年的这一天，全球最大规模的COVID-19疫苗研究启动，美国国立卫生研究院与Moderna进行的疫苗试验吸引了第一批30000名志愿者参与。1

July 27 has witnessed pivotal moments across more than two centuries of American and global history. In 1789, President George Washington signed legislation establishing the Department of Foreign Affairs, the predecessor to the State Department.1 Over a century later, on July 27, 1909, the Wright Brothers conducted the official U.S. Army test of their aircraft, achieving a flight lasting one hour and twelve minutes.1 The year 1940 marked another cultural milestone when Billboard magazine published its first music popularity chart, with Tommy Dorsey's orchestra's "I'll Never Smile Again" claiming the top position.1

The latter half of the twentieth century brought both tragedy and geopolitical significance to this date. The Korean War armistice was signed at Panmunjom on July 27, 1953, ending three years of conflict that claimed an estimated four million lives.1 In 1974, the House Judiciary Committee voted 27-11 to approve the first article of impeachment against President Richard Nixon.1 President Lyndon B. Johnson appointed the Kerner Commission on July 27, 1967, to investigate the causes of urban riots.1 The deposed Iranian Shah died in Cairo on July 27, 1980, at age 60.1

Violent incidents marked several recent observances of this date. The abduction and subsequent murder of six-year-old Adam Walsh at a Hollywood department store occurred on July 27, 1981.1 A pipe bomb explosion in Centennial Park during the 1996 Atlanta Olympics on July 27 killed one person directly and injured 111 others.1 In Egypt, security forces clashed with supporters of former President Mohamed Morsi on July 27, 2013, resulting in at least 72 deaths.1

More recent July 27 events have centered on international cooperation and athletic achievement. On July 27, 2018, the White House announced that North Korea would return the remains of American service members killed during the Korean War, with U.S. military aircraft retrieving 55 cases of remains.1 The world's largest COVID-19 vaccine trial launched on July 27, 2020, involving 30,000 volunteers in a study conducted by the National Institutes of Health and Moderna.1 The London Olympics opened on July 27, 2012.1 On July 27, 2021, American gymnast Simone Biles withdrew from the Tokyo Olympics team competition.1