Working on a scientific zodiac based in decades. Just for the heck of it!
I am still working on it, but here is a rough! :)
Sorry for the caps :(
00. SOCIAL / EXPLORATION - 1800, 1900, 2000
10. CARS / MACHINES - 1810, 1910, 2010
20. INDUSTRIAL - 1820, 1920, 2020
30. ROBOTS - 1830, 1930, 2030...