YOU SAID:

In A.D. 2101 War Was Beginning.

INTO JAPANESE

西暦 2101年で戦争を始めていた。

BACK INTO ENGLISH

War had begun in 0/2101.

INTO JAPANESE

戦争は、0/2101 で始まっていた。

BACK INTO ENGLISH

The war had begun in 0 / 2101.

INTO JAPANESE

戦争が 0 で始まっていた/2101。

BACK INTO ENGLISH

War had begun at 0 / 2101.

INTO JAPANESE

戦争が 0 で始まっていた/2101。

BACK INTO ENGLISH

War had begun at 0 / 2101.