<Table> <Tr> <Th_colspan="2"> Atlanta Falcons </Th> </Tr> <Tr> <Td_colspan="2"> Current season </Td> </Tr> <Tr> <Td_colspan="2"> Established June 30, 1965; 52 years ago (June 30, 1965) First season: 1966 Play in Mercedes - Benz Stadium Atlanta, Georgia Headquartered in Flowery Branch, Georgia </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Logo </Td> <Td> Wordmark </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> League / conference affiliations </Th> </Tr> <Tr> <Td_colspan="2"> <P> National Football League (1966--present) </P> <Ul> <Li> Eastern Conference (1966) </Li> <Li> Western Conference (1967--1969) <Ul> <Li> Coastal Division (1967--1969) </Li> </Ul> </Li> <Li> National Football Conference (1970--present) <Ul> <Li> NFC West (1970--2001) </Li> <Li> NFC South (2002--present) </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> Current uniform </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Team colors </Th> <Td> <P> Black, Red, Silver, White </P> </Td> </Tr> <Tr> <Th> Mascot </Th> <Td> Freddie Falcon </Td> </Tr> <Tr> <Th_colspan="2"> Personnel </Th> </Tr> <Tr> <Th> Owner (s) </Th> <Td> Arthur Blank </Td> </Tr> <Tr> <Th> CEO </Th> <Td> Rich McKay </Td> </Tr> <Tr> <Th> President </Th> <Td> Rich McKay </Td> </Tr> <Tr> <Th> General manager </Th> <Td> Thomas Dimitroff </Td> </Tr> <Tr> <Th> Head coach </Th> <Td> Dan Quinn </Td> </Tr> <Tr> <Th_colspan="2"> Team history </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Atlanta Falcons (1966--present) </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Team nicknames </Th> </Tr> <Tr> <Td_colspan="2"> The Dirty Birds, Grits Blitz (1977 defense) </Td> </Tr> <Tr> <Th_colspan="2"> Championships </Th> </Tr> <Tr> <Td_colspan="2"> League championships (0) </Td> </Tr> <Tr> <Td_colspan="2"> <P> Conference championships (2) </P> <Ul> <Li> NFC: 1998, 2016 </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> <P> Division championships (6) </P> <Ul> <Li> NFC West: 1980, 1998 </Li> <Li> NFC South: 2004, 2010, 2012, 2016 </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Playoff appearances (13) </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> NFL: 1978, 1980, 1982, 1991, 1995, 1998, 2002, 2004, 2008, 2010, 2011, 2012, 2016 </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Home fields </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Atlanta--Fulton County Stadium (1966--1991) </Li> <Li> Georgia Dome (1992--2016) </Li> <Li> Mercedes - Benz Stadium (2017--present) </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Atlanta Falcons </Th> </Tr>

When did the atlanta falcons become a team