National American Beer Day is observed in the United States every October 27, celebrating the diverse range of American beers produced by over 7,000 breweries. This day honors the brewing traditions brought to America by Dutch and English colonists, with the first commercial brewery opening in North America in 1632. The first uniquely American beer style, known as steam beer, emerged in California during the 19th century. The craft brewing movement, which emphasizes flavor and quality, gained momentum in the late 20th and early 21st centuries, leading to the rise of microbreweries and brewpubs. On this day, beer drinkers are encouraged to indulge in their favorite American beer styles, including American lager, California common, and American Pale Ale, while being reminded to drink responsibly.