The debate on official historian between Han and Liu occurred in the early 9th century, Yuan he year of Tang Xianzong Reign Period.

韩愈和柳宗元关于史官问题的辩论，发生于九世纪初唐宪宗元和年间。

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Porcelain was made as early as the 9th century.

早在公元9世纪就产生了瓷器。

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The technique of printing was known to the Chinese as early as the 9th century.

早在九世纪， 中国人就已经掌握了印刷术。

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The Rome catacombs then fell victim to pillaging by Germanic invaders around the early 9th Century.

BBC: Exploring the history of catacombs

Marauding Viking Norsemen from Scandinavia encountered the basin on their seasonal plundering voyages around the early 9th Century.

BBC: Dublin's Viking heritage

According to his autobiographical letter Confessio, thought to have been written around 450 AD and first published in the early 9th Century (the Book of Amagh, containing the earliest copy believed to exist, is in the Library of Trinity College, Dublin), an angel appeared in a dream urging him to flee from his enslavement.

BBC: Who was the real St Patrick?