历史上的今天 · 12月1日
1822
佩德罗一世加冕为巴西第一任皇帝
Pedro I is crowned the first emperor of Brazil.
1918
丹麦承认冰岛为与自己共戴一君的完全主权国家
Denmark recognizes Iceland as a fully sovereign state in personal union with the Danish crown.
1955
罗莎·帕克斯在蒙哥马利因拒绝给白人让座被捕，引发长达一年的巴士抵制运动
Rosa Parks is arrested in Montgomery, Alabama, for refusing to give up her bus seat, sparking the Montgomery bus boycott.
1959
12个国家签署《南极条约》，规定南极只用于和平与科学研究
Twelve countries sign the Antarctic Treaty, reserving the continent for peaceful scientific research.
1991
乌克兰独立公投以超过92%的赞成票获得通过
Ukraine's independence referendum passes with more than 92 percent voting in favor.
资料来源：维基百科「历史上的今天」（CC BY-SA），GSM 整理 · Source: Wikipedia "On this day" (CC BY-SA), curated by GSM