the Middle Ages

US /ðə ˌmɪd.əl ˈeɪ.dʒɪz/
UK /ðə ˌmɪd.əl ˈeɪ.dʒɪz/
"the Middle Ages" picture
1.

Средние века

the period of European history from the fall of the Roman Empire in the West (5th century) to the fall of Constantinople (1453), or, more narrowly, from c. 1000 to c. 1453

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Life was very different during the Middle Ages.
Жизнь была очень другой в Средние века.
Many castles were built in Europe during the Middle Ages.
Многие замки были построены в Европе в Средние века.