YOU SAID:
1951 - Japan signs peace treaty with US and other nations. To this day, there is no peace treaty with Russia, as the legal successor to the Soviet Union.
INTO JAPANESE
1951-日本米国および他の国と平和条約をサイン。この日には、ソビエト連邦への法的後継者として、ロシアとの平和条約はありません。
That didn't even make that much sense in English.