alternatehistory.com

The Other Great Office
A different spin on Everyday is Like Sunday. Listed are the First Secretary of State.
1964-1966: George Brown (Labour) [Economic Secretary] Served under Harold Wilson until his resignation over devolution.
1964 GE, 1966 GE
1966-1968: Michael Stewart (Labour) [Economic Secretary/Foreign Secretary] Served under Harold Wilson until the 1968 reshuffle.
1968-1968: Barbara Castle (Labour)* [Employment and Productivity Secretary] Served under Harold Wilson until her ascension to the Premiership.
1968-1969: Office unused
1968-1971: Anthony Greenwood (Labour) [Housing and Local Government Minister/Home Secretary] Served under Barbra Castle
1971-1973: William Whitelaw (Conservative)* [Leader in the House of Commons/Scottish Secretary] Served under Edward Heath until his ascension to the Premiership.
1971 GE
1973-1976: Maurice Macmillan (Conservative) [Chancellor to the Exchequer] Served under William Whitelaw until his dismissal by Julian Amery in the 1976 reshuffle.
1974 GE (Liberal Coalition)
1976-19??: Winston Churchill (Conservative) [Foreign Secretary] Serving under Julian Amery.

*Became Prime Minister; Castle ascended to the Premiership following Harold Wilsons assassination in June 1968. Whitelaw ascended following the sudden resignation of Edward Heath in the aftermath of Bloody Monday.