21st United States Congress | 21st | Summit | Summit County | World Summit on the Information Society | Summit, New Jersey | 21st Army Group | Earth Summit | Summit County, Colorado | Blue Ridge Summit, Pennsylvania | 21st parallel north | Zenon: Girl of the 21st Century (film) | Zenon: Girl of the 21st Century | Blue Ridge Summit | Thomas Howard, 21st Earl of Arundel | Summit Entertainment | summit | St. Paul Academy and Summit School | Lee's Summit, Missouri | Clarks Summit, Pennsylvania | Transportation Equity Act for the 21st Century | Summit (topography) | Summit Point, West Virginia | Summit Point | Summit Lake | Summit, Illinois | Geneva Summit (1955) | Clarks Summit | American Basketball Association (21st century) | 21st National Film Awards |
In addition to being a stop on most Canadian federal election campaigns, the museum hosted meetings from the 1995 G7 Summit, as well a September 11 commemorative event in 2006 attended by Canada's Minister of Foreign Affairs, Peter MacKay and United States Secretary of State, Condoleezza Rice.