source: Both names are no longer used and were combined as the National Musuemof Scotland
target: When both the names were merged into The National Museum of Scotland they becames extinct in 2007.
references: When both the names were merged into The National Museum of Scotland they becames extinct in 2007. Two together names became extinct in 2007 when the were united into The National Museum of Scotland. Both names became defunct in 2007 when they were combined into The National Museum of Scotland. Both names became dead in 2007 when they were combined into The National Museum of Scotland. Both names stopped being used in 2007 when they became a part of the National Museum of Scotland. Both names became defunct in 2007 when they were merged as The National Museum of Scotland. Both names became obsolete in 2007 when they were combined into The National Museum of Scotland.