Modern history Germany-occupied [[puppet state]] and an Allies-friendly state in the South; Germany surrendered in May 1945. Following the [[atomic bombings of Hiroshima and Nagasaki]], [[surrender of Japan|Japan surrendered]], marking the end of the war on September 2, 1945. [[File:Underwater Atomic Bomb Test At Bikini Atoll.webm|alt=Atomic Bomb underwater testing, 1946|left|thumb|Atomic Bomb Test, 1946. The use of Nuclear strikes on Hiroshima and Nagasaki brought WWII to an abrupt end.]] [[File:Roosevelt Pearl Harbor.ogg|thumb|U.S President [[Franklin D. Roosevelt|Franklin Roosevelt]] declaring war on the [[Empire of Japan|Japanese Empire]] in the aftermath of the [[Attack on Pearl Harbor|Pearl Harbor Attack]]. Captions provided]] [[File:Trumann hiroshima.ogg|thumb|Excerpt of [[President of
Joseon missions to Japan to the Joseon court. In the 4th year of King Taejong's reign, a diplomatic mission was sent to Japan. In the 6th year of King Taejong's reign, a diplomatic mission was sent to Japan. In the 10th year of King Taejong's reign, an ambassador from the Joseon court was received in Kyoto. This event in 1409 ("Ōei 16, 3rd month") was considered significant. In the 13th year of King Taejong's reign, a diplomatic mission was sent to Japan. In the 2nd year of the reign of King Sejong the Great, a diplomatic mission was sent to Japan. In the 5th