Starting with French author Renaud Camus and his 2012 book '' Le Grand Remplacement '' ; the conspiracy theory of a Great Replacement occurring , first in France , which focused on a displacement of French Catholics by predominantly Muslims , then becoming a pan-European concept which spread across most major European countries ' politics on the continent . By 2018 , the concept of a large population replacement of white people , and the term Great Replacement itself , was being compared increasingly with the white genocide conspiracy theory and presented as simply a localized version of the same ideology . After the 2019 Christchurch mosque shootings , where the shooter named his manifesto '' The Great Replacement '' , the French-originated phrase is widely established as synonymous with " white genocide " , used by mainstream Western media interchangeably , and is largely responsible for the emerging term of " white replacement "
Christchurch mosque shootings
Christchurch mosque shootings
White genocide conspiracy theory