It started in Canada in the late 1960s. This comes from the international and street ball hoceky federation website (see the related link) which says " Formally organized street or ball hockey leagues, in its modern form, grew independently in several countries, Canada (late 1960s), the USA (early 1970s), Austria, Czech Rep, and Slovakia (1980s), Finland, Germany, Japan, and Switzerland (early 1990s), and more recently in other countries. "
The NHL's modern era began in 1992.
The 2011 NHL playoffs began on April 13.
2010 April 14th
october 1st
Dallas StarsDetroit Red Wings
no
Usually around Aprilish(April)
Which season? I cannot give an answer unless you specify a specific year.
NHL players began wearing helmets during games in the 1979-1980 season.
It started in September 2009 and will finish in and around June 2010
The 2008-09 NHL season is set to begin on October 4 with the New York Rangers playing the Tampa Bay Lightning in Prague, Czech Republic and the Pittsburgh Penguins playing the Ottawa Senators in Stockholm, Sweden.
The NHL announced in 1997 that it had awarded an expansion franchise to Minnesota that would begin play in the 2000-01 season.