KK By facebooker_3481049828582754 1960 BCE HHHHH Period: 1950 BCE to 2000 BCE DDDD Period: 1940 to 2010 DDDD 1950 GGG GGGGG 1950 1950 Period: 1950 to 2020 timespan 1970 1970 VVVVV 1970 1970 2000 2000 2010 2010 2030 CCCC 2080 2080