timeline

2000-2099 eagle - Development of Precision and Accuracy Technologies
2100-2199 tiger - development of ample power
2200-2299 crane - vertical development and even on water - beginning regular space flights
2300-2399 leopard - very fast travel possible
2400-2499 mantis - bio-understanding mastery and control of genome and bio-genics is explored
2500-2599 snake - first consciousness transferred to a machine
2600-2699 boar - power and mechanics combine to accomplish planetary colonization
2700-2799 panther - desperate struggle for survival along colonized frontiers
2800-2899 eagle - precise control of trade routes create synergy once again
2900-2999 tiger - power becomes transportable
3000-3099 crane - consciousness is sent across space in machine to be revitalized into a life form on the other side
3100-3199 leopard - quick innovation produces all types of agile machines which breed
3200-3299 mantis - living machines can maintain forever with consciousness
3300-3399 snake - consciousness transferred to the first photo-massmorphic energy-rift