Dee ihe na-aga n'ihu maka paragraf a - A na-ebu ụzọ tinye ụdị egbe ụgbọ okporo ígwè 240mm Type 90 dị ka batrị ụgbọ mmiri na Futtsu, Chiba, dị ka akụkụ nke nchebe na-eche ọnụ ụzọ Tokyo Bay. A kpọghachiri ya na Manchukuo na 1941, ma dabere na mpaghara Hulin nke Heilongjiang, dịka akụkụ nke nchekwa megide Soviet Union, ebe ọ nọgidere n'oge Agha IIwa nke Abụọ. Mgbe Soviet Union wakporo Manchukuo
N'ụbọchị ikpeazụ nke agha ahụ, ndị agha Kwantung na-alaghachi azụ bibiri egbe ahụ ma gbahapụ ya.