20th Century AD
Man ventures into space and visits the Earth's Moon.
Various exploration vessels are sent to planets within Earth's Solar System.
The Sky Union is formed and with it the foundation of modern temporal science.
The first Tier (human genetically engineered to be smarter) is born.
The first Tier engineers the second generation of Tiers.
Cycles of mistrust, conflict and war ravage humanity as the full impact of Tiers to society is realised.
Majority of African and South American continent along with low lying landmasses now inhabitable as Green land ice sheet disappears.
Average human creativity, memory, problem solving ability, empathy and data processing continue rise exponentially as a result of ever improving technology and Tier-Human interbreeding
Rare Earth metals r