girls generation is a boy band
the mid 2000s especially the united kingdom and the rest of europe saw the continued longevity of nineties boy bands such as backstreet boys and westlife before they disbanded in 2012 and the successful comeback of take that in 2005 boyzone in 2007 and new kids on the block in 2008
 late 1960s and 1970s the jackson 5 and the osmonds although the term boy band was not commonly used then the earliest predecessors of this format were groups such as the jackson 5 and the osmonds which helped form the template for boy bands