Do you capitalize the word 'century'?

Do you capitalize the word 'century'?

Yes, the word "century" is capitalized when it is used as part of a proper noun or at the beginning of a sentence. For example, "The 21st Century" or "In the 19th century, significant advancements were made." However, when used in a general sense, such as "I studied history in the 20th century," it is not capitalized.