Decades are increments of ten years.
“1980s (decade) is a decade in which Futurama is set. Fry goes through ages 6-15, from elementary...1980s (decade)
“The term Stupid Ages is used by denizens of the fourth millennium to refer to Fry's time. It is...Stupid Ages
“2200s (decade) is a decade in which Futurama is set. The cast of Star Trek reunited for musical...2200s (decade)