The document provides a history of craft beer from 1800 BC to present day. It discusses milestones like the first written mention of beer in an ancient hymn, Germany's Beer Purity Law of 1516, and the growth of craft breweries in the US from 35 in 1982 to over 3,400 in 2014. It also describes different beer styles categorized by color, bitterness, alcohol content, food pairings, and popular examples.