翻译英语“古代的越南和韩国都说汉语,历史事件都是用中文记载的”

Ancient Viet Nam and South Korea not only spoke Chinese but also recorded their historical events in Chinese.

In ancient times, Vietnamese and South Korean all spoke Chinese, and their historical events were recorded in Chinese.

"Ancient Chinese said that Vietnam and South Korea, historical events are recorded in Chinese"

In ancient times, people both in Vietnam and South Korea spoke Chinese, with their historical events being recorded in this language.

In ancient times,Vietnamese and South Korean both spoke Chinese ,and their historical events were recorded in Chinese.