Decades: 10s BC 0s BC 0s 10s 20s - 30s - 40s 50s 60s 70s 80s
Years: 34 35 36 37 38 - 39 - 40 41 42 43 44
Births
Deaths
... choice of ten is presumably that ten is the number of fingers (digits) of the human body. The Roman numeral for ten is X. The Chinese word numeral for ten is the ...