Rowing at the 1976 Summer Olympics increased, and women were admitted for the first time in Olympic history. The quad scull events were introduced at this Olympics, without coxswain for men and with coxswain for women. A total of 593 rowers from 31 nations competed at the Montreal Games: Rowing at the 1976 Summer Olympics Rowing at the 1976 Summer Olympics in Montreal featured races in 14 events, all held at the rowing basin on Notre Dame Island. Women's events held at 1000 m debuted (they would be lengthened to the men's events of 2000 m at the 1988 Summer Olympics in Seoul). There was a
Summer Olympic Games demand for tickets to all levels of each event, there was controversy when seats set aside for sponsors and National Delegations went unused in the early days. A system of reallocation was put in place so the empty seats were filled throughout the Games. Rio de Janeiro, Brazil hosted the 2016 Summer Olympics, becoming the third city in the Southern Hemisphere to host the Olympic Games after Melbourne, Australia, in 1956 and Sydney, Australia, in 2000, and the first South American city to host the Olympics. The preparation for these Games was overshadowed by controversies, including the instability of Brazil's