Before that, no star had been added since 1912, when New Mexico and Arizona were admitted to the Union.
在此之前,没有明星增加了自1912年以来,在新墨西哥州和亚利桑那州被接纳为欧洲联盟。
California's first constitutional convention took place in 1849, before California was even admitted to the Union.
加州的首次制宪会议召开于1849年,那时该州还未加入联邦。
Alaska, admitted to the Union in January 1959, is profiled in several articles, and a map of the newest state is included as a supplement with the issue.
该期多篇文章介绍了1959年1月加入联邦的阿拉斯加州,一张最新美国地图也随刊发行。
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