维京人于八世纪到来。

The Vikings came in the eighth century.

“马戏团”这个词从14世纪开始使用。

The word 'circus' was used from the 14th century.

第一个群体，罗马人，在一世纪来到。

The first group, the Romans, came in the first century.

在二十世纪，它成为了一种世界语言。

During the twentieth century, it became a world language.

自十二世纪以来，人们一直在发明语言。

Since the twelfth century, people have been inventing languages.