| MIGUEL | And 12 Across First Secretary of the Communist Party of Cuba who succeeded Raul Castro on 19 April 2021 (6,4-5) |
| DIAZCANEL | First Secretary of the Communist Party of Cuba who succeeded Raul Castro on 19 April 2021 (6,4-5) |
| FIDEL | Castro on first name terms with field marshal (5) |
| NOTARIES | Legal workers born outside the period 21 March to 19 April? (8) |
| CUBA | Country ruled by Raul Castro |
| PEANUTS | Strip where 12-Across first didn't appear in 1959 |
| STALIN | Joseph ---, nom de guerre of the dictator who was the first General Secretary of the Communist Party of the Soviet Union (6) |
| CASTRO | Fidel ___, First Secretary of the Communist Party of Cuba from 1965-2011 (6) |
| RAULCASTRO | First Secretary of the Communist Party of Cuba from 2011 to 2021 (4,6) |
| JOSEPHSTALIN | Dictator who was the first General Secretary of the Communist Party of the Soviet Union (6,6) |
| KHRUSHCHEV | Nikita ---, first secretary of the Communist Party of the Soviet Union 1953-64 (10) |
| DUBCEK | Alexander --, First Secretary of the Communist Party of Czechoslovakia (6) |
| CHERNENKO | Konstantin ___, Soviet statesman; General Secretary of the Communist Party and Chairman of the Presidium of the Supreme Soviet 1984-5 (9) |
| LEONID | General Secretary of the Central Committee of the Communist Party of the Soviet Union from 1964 to 1982 (6,8) |
| BREZHNEV | General Secretary of the Central Committee of the Communist Party of the Soviet Union from 1964 to 1982 (6,8) |
| LEONIDBREZHNEV | General Secretary of the Central Committee of the Communist Party of the Soviet Union from 1964 to 1982 |
| POLITBURO | The former central policy-making and governing body of the Communist Party of the Soviet Union (9) |
| ROUGE | Followers of the Communist Party of Kampuchea in Cambodia who seized power in 1975 (5,5) |
| KHMER | Followers of the Communist Party of Kampuchea in Cambodia who seized power in 1975 (5,5) |
| BORIS | Russian author forced to decline the 1958 Nobel Prize in Literature by the Communist Party of the Soviet Union (5) |
