Historical Events on August 22

18 significant historical events occurred on August 22. August 22 is notable for three major historical events. In 1849, it marked the end of the First Italian War of Independence. In 1864, the first Geneva Convention was adopted, establishing international humanitarian law. On this day in 1910, Japan formally annexed Korea through the Japan-Korea Treaty. These events occurred in contexts of national liberation, international law, and imperial expansion.