April 7, 1953 Dag Hammarskjold of Sweden was elected Secretary General of the United Nations, a post he retained until 1961 when he died in a plane accident in Congo.

• 1953年4月7日瑞典达格哈玛绍于本日当选联合国秘书长，直至一九六一年，搭乘飞机在刚果失事身亡为止。