How five months in 2016 that encompassed Boris Johnson siding with Vote Leave, Jo Cox’s murder and David Cameron’s resignation shaped the UK’s future David Cameron, having promised in 2013 that a future Conservative government would offer a referendum on Britain’s membership of the EU , announces...
Source: [Guardian World](https://www.theguardian.com/politics/2026/jun/23/brexit-campaign-oral-history-front-row-seat)