This also made it difficult to pass the ball when very close to one's own goal line, since merely dropping back to pass or kick would result in a safety (rules of the forward pass at the time required the passer to be five yards behind the line of scrimmage, which would make throwing the forward pass when the ball was snapped from behind one's own five-yard line illegal in itself). Thus, in 1912, the end zone was introduced in American football.
college football, and professional football was still in its infancy in the 1920s.
As a result, Canadian football was still being played in rudimentary facilities in the late 1920s.
Goal posts were originally kept on the goal lines, but after they began to interfere with play, they moved back to the end lines in 1927, where they have remained in college football ever since.
The forward pass and end zones were adopted in 1929.
The National Football League moved the goal posts up to the goal line again in 1933, then back again to the end line in 1974. As with many other aspects of gridiron football, Canadian football adopted the forward pass and end zones much later than American football.
It is bordered on all sides by a white line indicating its beginning and end points, with orange, square pylons placed at each of the four corners as a visual aid (however, prior to around the early 1970s, flags were used instead to denote the end zone).
The National Football League moved the goal posts up to the goal line again in 1933, then back again to the end line in 1974. As with many other aspects of gridiron football, Canadian football adopted the forward pass and end zones much later than American football.
Prior to the 1980s, the Canadian end zone was 25 yards long.
Place in Vancouver, which was completed in 1983.
By 1986, at which point CFL stadiums were becoming bigger and comparable in development to their American counterparts in an effort to stay financially competitive, the CFL reduced the depth of the end zone to 20 yards. == Scoring == A team scores a touchdown by entering its opponent's end zone while carrying the ball or catching the ball while being within the end zone.
The shorter end zone proved popular enough that the CFL adopted it league-wide in 1986.
In professional football, since 2004, the Pittsburgh Steelers of the NFL have the south end zone at Heinz Field painted with diagonal-lines during most of the regular season.
After the Panthers' season is over, the Steelers logo is painted in the south end zone. One of the major quirks of the American Football League was its use of unusual patterns such as argyle in its end zones, a tradition revived in 2009 by the Denver Broncos, itself a former AFL team.
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