"Ceefax"@en . "1974-09-23Z"^^ . . . . . . . "2012-10-23Z"^^ . . . . "Ceefax (near-homophonous with \"See Facts\") was the world's first teletext information service. It was started by the BBC in 1974 and ended at 23:32:19 BST on 23 October 2012, in line with the digital switchover being completed in Northern Ireland. The service then ceased after 38 years of broadcasting."@en .