a comet would collide with the earth on 1736 Oct 16.

William Whiston :
In 1736 William Whiston caused widespread anxiety among London's citizens when he predicted the world would end on October 16 of that year because a comet would hit the earth; the Archbishop of Canterbury, William Wake, had to officially deny this prediction to ease the public.

Modeen, Marvin. Marvin Modeen. pp. 71.