23rd World Science Fiction Convention
{'<entity_0>': '23rd World Science Fiction Convention', '<entity_1>': '30 August 1965', '<entity_2>': 'United Kingdom'}
[['23rd World Science Fiction Convention', 'inception', '30 August 1965'], ['23rd World Science Fiction Convention', 'start time', '30 August 1965'], ['23rd World Science Fiction Convention', 'country', 'United Kingdom']]
The <entity_0>, also known as Loncon II, was held 27 <entity_1>–<entity_1> at the Mount Royal Hotel in London, <entity_2>.
['Worldcon', 'science fiction convention']