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| English | Russian |
| Fifth Crusade | Пятый крестовый поход (1218-1221, the last crusade in which the papacy took an active part. It was an impressive effort against a divided Muslim opposition) |
| Fifth Ecumenical Council | Пятый Вселенский собор (553, the council of the Christian church, meeting under the presidency of Eutychius, patriarch of Constantinople) |
| Fifth Monarchy Men | Люди Пятой монархии (An extreme Puritan sect that came into prominence in England during the Commonwealth and Protectorate) |
| Fifth Monarchy Men | хилиасты |