About Justin Knapp
Justin Anthony Knapp, known online as Koavf, is an American Wikipedia user who was the first person to contribute more than one million edits to Wikipedia. As of May 2025, Knapp has made over 2.1 million edits on the English Wikipedia. He was ranked No. 1 among the most active Wikipedia contributors of all time from April 18, 2012, to November 1, 2015, when he was surpassed by Steven Pruitt. In 2012, Wikipedia co-founder Jimmy Wales congratulated Knapp for his work and presented him with the site's highest award for his achievement by declaring that April 20 would be Justin Knapp Day.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.