In the 2017 election, Labour gained three seats from the Conservatives in Cheshire. It was generation X - those born between 1966 and 1980 - who led the swing to Labour then, but how will they vote this time around? https://bbc.in/2Ocv3ZH | BBC Newsnight

Cliff Michelmore, who died earlier today, makes a startling discovery during the BBC's 1966 live General Election broadcast. | BBC Archive

When was the last snap general election? October 1974, the second general election of that year. Here's Harold Wilson making the announcement on 18th September, 1974. | BBC Radio 4