<P> The challenge encourages nominated participants to be filmed having a bucket of ice water poured on their heads and then nominating others to do the same . A common stipulation is that nominated participants have 24 hours to comply or forfeit by way of a charitable financial donation . </P> <P> On August 1, 2015, a group of ALS organizations in the United States, including the ALS Association, Les Turner ALS Foundation, and ALS Therapy Development Institute, re-introduced the Ice Bucket Challenge for 2015 to raise further funds with the intention of establishing it as an annual occurrence . Accordingly, people performed the challenge again in summers 2016 and 2017 . </P> <P> The origins of the idea of dumping cold water on one's head to raise money for charity are unclear and have been attributed to multiple sources . The most commonly accepted origin credits Pete Frates, a Boston College alumnus who was diagnosed with ALS in March 2012 . Pat Quinn, a friend of Frates who was diagnosed with ALS in 2013, is also credited with creating the challenge . Another friend of Frates, Corey Griffin, has been credited as a "co-founder" of the challenge . </P> <P> From mid-2013 to early 2014, a challenge of unknown origin often called the "Cold Water Challenge" became popular on social media in areas of the Northern United States . The task usually involved the option of either donating money to cancer research or having to jump into cold water . According to the Wall Street Journal, the Ice Bucket Challenge was begun by professional golfers as means to support various pet charities . </P>

When was the als ice bucket challenge started
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