What instances of classical liberalism helped set world civilization on a new course in 17th and 18th century Europe?

The Catholic Emancipation Act of 1829, the Reform Act of 1832, and the repeal of the Corn Laws in 1846 were some instances of classical liberalism turned into law. The policies were based upon low public expenditure and low taxation. Classical liberalism was the dominant political theory from the early 19th century until the first World War.