11th July 1961: Russian cosmonaut Yuri Gagarin driving through the streets of London in a convertible with a personalised number plate 'YG 1'. (Photo by Bob Haswell/Express/Getty Images)
11th July 1961: Russian cosmonaut Yuri Gagarin driving through the streets of London in a convertible with a personalised number plate 'YG 1'. (Photo by Bob Haswell/Express/Getty Images)