Crossword puzzles were first created in December 1913 by Arthur Wynne, a journalist from Liverpool, England. He published the first crossword puzzle in the New York World newspaper.

After the first crossword puzzle was published, it gained popularity among readers and became a regular feature in newspapers. The New York Times started publishing crossword puzzles in 1942, which further contributed to their popularity.

During World War II, crossword puzzles were used by the British government to recruit codebreakers. The government believed that those who could solve crossword puzzles quickly possessed the analytical skills required for codebreaking.

Will Shortz is considered one of the most famous crossword puzzle creators. He has been the crossword puzzle editor for The New York Times since 1993 and has also authored numerous puzzle books.

Yes, there are crossword puzzle competitions held around the world. The American Crossword Puzzle Tournament, organized by Will Shortz, is one of the most well-known competitions and attracts participants from all over.

Crossword puzzles are popular because they provide intellectual stimulation, improve vocabulary and memory, and offer a sense of achievement when completed. They can also be a fun and relaxing way to pass the time.