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  1. 18th century - Wikipedia

    The 18th century lasted from 1 January 1701 (represented by the Roman numerals MDCCI) to 31 December 1800 (MDCCC). During the 18th century, elements of Enlightenment thinking culminated …

  2. 18th or 18rd – Which is Correct? - IELTS Lounge

    Mar 5, 2024 · Ordinal numbers are used to represent position or rank in a sequence, and they are usually formed by adding the suffix “-th” to the cardinal number. However, there are a few exceptions …

  3. EIGHTEENTH definition in American English | Collins English Dictionary

    coming after the seventeenth in numbering or counting order, position, time, etc; being the ordinal number of eighteen: often written 18th

  4. 18th - Definition, Meaning & Synonyms | Vocabulary.com

    Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

  5. EIGHTEENTH | definition in the Cambridge English Dictionary

    us / eɪtˈtinθ / Add to word list (in the position of) the number 18 in a series; 18th:

  6. EIGHTEENTH Definition & Meaning | Dictionary.com

    EIGHTEENTH definition: next after the seventeenth; being the ordinal number for 18. See examples of eighteenth used in a sentence.

  7. eighteenth - Wiktionary, the free dictionary

    Nov 27, 2025 · One of eighteen equal parts of a whole. (informal) A party to celebrate an eighteenth birthday.

  8. Inventions and Inventors of the 18th Century - ThoughtCo

    May 5, 2025 · The 18th century, also referred to as the 1700s, marked the beginning of the first Industrial Revolution. Modern manufacturing began with steam engines replacing animal labor. The …

  9. 18th and 19th Centuries (1700-1899) - nationalhistorycenter.org

    The 18th and 19th centuries marked a period of profound cultural transformation influenced by various art movements, literary revolutions, and social changes. These shifts defined personal identity and …

  10. INTRODUCTION TO THE 18th CENTURY – A Brief History of the World …

    The 18th century is often called both the Age of Enlightenment and the Age of Revolutions due to its transformative changes driven by new political ideas and technological advancements.