Tags: Convention.
The 23rd World Science Fiction Convention also known as Loncon II was held 27–30 August 1965 at the Mount Royal Hotel in London United Kingdom. It was the second Worldcon to be held in London following the original Loncon in 1957.The chairman was Ella Parker. The guest of honour was Brian W. Aldiss. The toastmaster was Tom Boardman. Total attendance was approximately 350.