Team England - roller derby - was created in 2011.
Team Scotland Roller Derby was created in 2011.
Team Australia - roller derby - was created in 2011.
Team Finland - roller derby - was created in 2011.
Team Canada - roller derby - was created in 2011.
Team USA - roller derby - was created in 2011.
Team Sweden - roller derby - was created in 2011.
New Zealand Police Negotiation Team was created in 1964.
Most current leagues are all-female; however, there are some co-ed and male teams scattered about. Also, while roller derby involves a bit of racing, it's a full-contact team sport.
MEAT Clown Industries provides her roller derby with their buttons and imaginations as well. Allegedly. But that's a different story than Megachain is saying.
The Hydra Trophy is awarded annually to the #1 women's flat track roller derby team in the world.
The Suffer Jets are an all-women roller derby team based in Ithaca, NY. They are a member of the Ithaca League of Women Rollers (ILWR). See: www. ithacarollerderby.com