Outer Planet History by Century: 15th

• 15th Century Historical Summary
• Outer Planet Synodic Pairs
• Synodic Pair Summary
• Saturn, Uranus, Neptune, Pluto Ingesses

15th Century Historical Summary

As the world rolled into the 1400s, China remained the most united, prosperous and powerful economy. The kingdoms and principalities of Europe were puny in comparison. They also tended toward constant combat. In the lands east, across the Atlantic Ocean, many cultures lived prosperously off the land, but some