Throw-in 1842: Several features of this passages are notable: The 1851 rules of Rugby School describe a similar procedure, except that the ball is thrown in rather than struck or hit; this is the ancestor of the line-out in rugby union: Similar "throw-in" laws are found in the Cambridge rules of 1856, the Sheffield rules of 1858, the laws of Melbourne FC (1859), and indeed the original FA laws of 1863 (see below). Other codes had a kick-in rather than a throw-in. These included the "Foot-Ball Club" of Edinburgh (1833), Harrow football (1858), Barnes FC (1862), Blackheath FC (1862), and the
Comparison of Canadian football and rugby union is not permitted in rugby union and would be considered 'obstruction', resulting in a penalty. A touchdown is the Canadian equivalent of a try. Unlike Canadian football, both codes of rugby require the ball to be grounded, whereas in Canadian football it is sufficient for the ball to enter the end zone (in-goal area) when in the possession of a player (making the term "touchdown" a misnomer). In Canadian football a touchdown scores 6 points; in rugby union a try is worth 5 points. In both games, following a try / touchdown, there is the opportunity to score additional points