In 1899, the first International Peace Conference was held in The Hague to elaborate instruments for settling crises peacefully, preventing wars and codifying rules of warfare.

• 1899年，第一次国际和平会议在荷兰海牙召开。此次会议的目的是制订旨在和平解决危机和防止战争的文件及编撰战争规则。