One of the most popular board games ever has some fascinating trivia to it--some of it involving the Hudson Valley.

Scrabble inventor Alfred Mosher Butts was born in Poughkeepsie in 1899, graduated from Poughkeepsie High School in 1917, and lived in Rhinebeck at the time of his death at the age of 93.

National Scrabble Day is celebrated on April 13 every year in honor of Butts' birthday. Butts' addictive word game has gone on to sell 150 million sets in 121 countries and 29 languages, according to its Wikipedia page.

In honor of Scrabble Day, CNBC put together this fun video with even more Scrabble facts: