This document summarizes the history and key aspects of rugby football. It discusses the establishment of the Rugby Football Union in 1823, the global growth of the sport in the 19th century with over 5 million players in 117 countries, and the origins of American and Canadian football from rugby. It also outlines the scoring system in rugby and important elements of gameplay like tackles, rucks, and scrums. Additionally, it provides curiosities on the differences between a rugby ball and football, as well as information about the traditional Haka dance performed by the New Zealand national rugby team.