Assuming chisels time for 400 much years late than actually, false rumour is nearly 600 years so far.

任的观点比实际凿刻时间晚400多年，至今讹传近600年。

youdao

But it is not hard to imagine more malign motives: creating a false rumour to profit from manipulating a firm's share price, for example.

但是不难想象有很多恶意行为：例如制造谣言影响公司股价而从中得利。

youdao

The rumour proved (to be) false.

这个谣传到最后是假的。

youdao

The post quickly went viral, causing Facebook to publish a statement, quashing the false rumour.

BBC: Privacy groups call for Facebook changes U-turn

Events on Sunday seemed to underline his point, when fans of two of the most heavily debt-laden clubs - Roma and Lazio - forced the referee to abandon the Rome derby after a false rumour that a child had been killed by police.

BBC: AC Milan football club

Other days, as when a (false) rumour crackles through a nearby slum that 100-rupee notes will be dished out to those who sign up, hordes pour in.

ECONOMIST: India��s UID scheme