21 December - The first crossword puzzle was published in the New York World newspaper

 

The first crossword puzzle was published on 21 December 1913 in the Sunday edition of the New York World newspaper. The crossword puzzle was created by journalist Arthur Wynne. Initially called a "word-cross," the puzzle proved to be immensely popular, and it laid the foundation for the widespread use of crossword puzzles in newspapers and publications worldwide. The format and popularity of crossword puzzles have endured over the years, becoming a beloved pastime for many people.