In 2019 , research by the Institute for Strategic Dialogue showed over 24,000 social media mentions of the Great Replacement in the month before the Christchurch mosque shootings in Christchurch , New Zealand at Al Noor Mosque and Linwood Islamic Centre , which shootings killed 51 people and injured 50 more on March 15 , 2019 &mdash; in comparison to just 3,431 mentions in April 2012 . The use of the term spiked in April 2019 , after the Christchurch mosque shootings perpetrator , Australia-born Brenton Harrison Tarrant , was heavily influenced by the theory and named his manifesto '' The Great Replacement '' after it
Christchurch mosque shootings
Christchurch mosque shootings
The Great Replacement