| HAROLDMACMILLAN | British Prime Minister from 1957 to 1963, an infantry officer during World War I (6,9) |
| HAROLD | The British prime minister from 1957 to 1963 (6,9) |
| MACMILLAN | The British prime minister from 1957 to 1963 (6,9) |
| SASSOON | Author and poet who penned a trilogy comprising Memoirs of a Fox Hunting Man, Memoirs of an Infantry Officer and Sherston's Progress (7) |
| PAPADOCDUVALIER | Haiti's president from 1957 to 1971, familiarly |
| PRINCESSCAROLINE | Heiress presumptive to the throne of Monaco from 1957 to 1958 and from 2005 to 2014 |
| ITTO | "Leave ___ ___ Beaver" (1957 to 1963 family sitcom) |
| BARRAGE | The 'creeping ___' was developed in the First World War as an effective use of artillery fire to support an infantry attack (7) |
| WARWICKSHIRE | First-class cricket county captained by M.J.K. Smith from 1957 to 1967 (12) |
| SPACEAGE | The age beginning with the first space travel; from 1957 to the pres (5,3) |
| HERSTMONCEUX | East Sussex castle where the Royal Observatory was housed from 1957 to 1988 (12) |
| MAVERICK | US western TV series starring James Garner that ran from 1957 to 1962 |
| MASON | TV attorney played by Raymond Burr in a series that ran from 1957 to 1966, Perry _ (5) |
| TONIGHT | BBC current affairs TV programme that ran from 1957 to 1965 (7) |
| PAAR | Jack ___ comedian who hosted The Tonight Show from 1957 to 1962 |
| TRABANT | Series of small cars produced from 1957 to 1991 by former East German car manufacturer VEB Sachsenring Automobilwerke Zwickau |
| NASH | New Zealand Prime Minister from December 1957 to December 1960 (4) |
| ADEN | British Crown colony in the Middle East from 1937 to 1963 (4) |
| IDLEWILD | Name given to New York International Airport from 1948 to 1963 (8) |
| WAGONTRAIN | American TV Western series that ran from 1957 to 1965 |
