sentences:  The 40 Hour Famine, New Zealand's largest youth fundraiser, is an annual World Vision New Zealand campaign aimed at providing New Zealanders with a unique experience, as a catalyst for fundraising.The 40 Hour Famine was launched in 1975 by World Vision.This first 40 Hour Famine, on 15–17 August 1975, had 10,000 participants and raised NZ$265,000.