Decades: 50s BC 40s BC 30s BC 20s BC 10s BC - 0s BC - 0s 10s 20s 30s 40s
13 BC 12 BC 11 BC 10 BC 9 BC - 8 BC - 7 BC 6 BC 5 BC 4 BC 3 BC
Births
Deaths
Events
... can be fairly effective, and can provide enough compression to run an engine all on its own. Typically the speed needed to make this process work effectively is above ...