The article presents information about the creation of Library and Archives of Canada (LAC). A bill was tabled in the House of Commons to create the LAC. The intention of the bill was to create a new, world class knowledge institution that would combine the National Library of Canada in Ottawa, Ontario and the National Archives of Canada by converging the rich collections and recognized expertise of the two institutions. The impetus for joining the two institutions emerged from discussions between Roch Carrier, the former national librarian, and Ian Wilson, the former archivist of Canada. They had begun to realize that, on a number of fronts, it made sense for the two institutions to become one. But the process of transforming two institutions with very different organizational structures, traditions, cultures, databases, and systems has been a huge challenge. On May 21, 2004, the act to establish the LAC was proclaimed into force by order of the Governor in Council. The National Library of Canada and the National Archives of Canada ceased to exist as separate entities.