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 …

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

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

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 …

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

18th Other forms: 18thly Definitions of 18th adjective coming next after the seventeenth in position synonyms: eighteenth

Oct 8, 2017 · Define 18th. 18th synonyms, 18th pronunciation, 18th translation, English dictionary definition of 18th. Adj. 1. 18th - coming next after the seventeenth in position eighteenth ordinal - …

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

This Section of the book will explore these themes in depth, starting with a global overview of the 18th century, including key rulers, cultural trends, and developments that impacted people’s lives.

Historical events for the 18th of December. See what famous, interesting and notable events happened throughout history on December 18.