In 1983 and 1984 , Stop the City demonstrations in London had attempted to blockade the City of London . In planning to contest the 25th G8 summit in Germany , activists connected through Peoples ' Global Action decided to make a network of global protests . Preparations took many months and the day became known as simply '' ' J18 ' '' . Groups involved included labour , environmentalist , feminist , anti-capitalist , animal rights and anarchist
25th G8 summit
25th G8 summit
Carnival Against Capital