It happened in the first century AD.

这事发生在公元一世纪。

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When the Romans came to Britain in the First century AD, London was a small village.

公元一世纪罗马人来到英国时，伦敦还是一个小村庄。

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In the first century AD, the apostle Paul feared that the believers in the church at Philippi would fall into the trap of selfishness.

主后第一世纪，使徒保罗担心腓立比教会里的信徒会掉入自私、只顾自己的陷阱中。

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Pliny the Elder, writing in the first century AD, mentioned storms of frogs and fish.

BBC: NEWS | UK | Magazine | How can it rain fish?

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?