SA Chart

[b][u]RP scientific advancement[/u][/b]
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[u][i][b]If you have:[/b][/i][/u]

[b]-100- -75 SA[/b] is 0-500 technology
[b]-75- -50 SA[/b] is 500-1000 technology
[b]-50- -20 SA[/b] is 1000-1500 technology 
[b]-20-0 SA[/b] is 1500-1750  technology
[b]0-10 SA[/b] is 1750-1850 technology
[b]10-30 SA[/b] is 1850-1910 technology
[b]30-40 SA[/b] is WW1 technology
[b]40-60[/b] SA is interwar technology
[b]60-80 SA[/b] is WW2 technology
[b]80-120 SA[/b] is Cold War technology 
[b]130-140 SA[/b] is 1990s technology 
[b]140-155 SA[/b] is 2000s technology
[b]160-180 SA[/b] is 2010s technology
[b]180-200 SA[/b] is modern technology
[b]200-250 SA[/b] is near future technology(May set up colonies on Mars(from 215 SA) and the Moon(from 230 SA)
[b]250-350 SA[/b] is T1 future tech
[b]350-500 SA[/b] is T2 future tech(first man steps on Pluto at 420)
[b]500-700 SA[/b] is T3 future tech(colonize Pluto and explore every part of the solar system)
[b]700-800 SA[/b] is T4 future tech(development of atmospheres on other planets)
[b]800-1000 SA[/b] is T5 future tech(develop terraforming bombs from 800 to 920 SA, make the sun and other stars equally distribute their light to planets)
[b]1000-? SA[/b] is T6 future tech and the final stage of technology where you develop rod o’gods, conquer galaxies and etc