WWII
After opening their ports in 1854 they rapidly advanced and grew in military powers. During WW2 Japan had a very strong presence in the war. This falls as a political event because it effected their politics a lot. During world war 2 japan captured the Chinese capital of Beijing. This major event in everyone's history had a large political effect, and took a lot of politics to decide which side/what they where going to do with it,.