(history, collective, chiefly attributive) Japan and the Soviet Union

historic, historical / already-happened, past / former, old, traditional

incident, event

important, significant

importance, consequence, significance

The katakana syllable ソ (so). Its equivalent in hiragana is そ (so). It is the fifteenth syllable in the gojūon order; its position is サ行オ段 (sa-gyō o-dan, “row sa, section o”).

history / the study of history

"Historical kana usage", a prescriptive method of using kana to write Japanese. Devised in the Edo period by Keichū (契沖) and taught in schools until 1946, it aims to be etymologically faithful and reflects earlier stages of the language (Heian period and earlier).

the Second Sino-Japanese War

the First Sino-Japanese War