Cooling Castle was built in the 1380s by John Cobham on the edge of marshes at Cooling, six miles north of Rochester, Kent. It is now about two miles inland. It was besieged by Thomas Wyatt the younger during Wyatt's rebellion in 1554; Lord Cobham surrendered after a brief resistance. Though he claimed to have surrendered to superior force, he had previously sympathized with Wyatt's cause, and he was briefly imprisoned for his role in the affair.