Brazil. Brazil is the only team to have played in every FIFA Football World cup.
Manchester City and Huddersfield Town are the only two teams unbeaten in the 2011 season
Real Madrid 121 games
Arsenal in 2004 The only other team (before the Premier League) to go a whole season unbeaten was Preston North End in 1888-1889.
Ipswich Town & Millwall
Spain and Brazil had 35 games unbeaten each. As of 06.28.10, Netherlands has a 21 game unbeaten run
arsenal had an unbeaten run of 49 games May 7, 2003 - October 24, 2004
Arsenal won it with their unbeaten season