Peak Years of Various Personal Technologies

Here are the peak years of various personal technologies according to my history theory:

5352 BC - peak of personal *farms?
2661 BC - peak of personal spears?
 703 AD - peak of personal houses?
1377 AD - peak of personal books?
1713 AD - peak of personal *sailboats?
1881 AD - peak of personal guns
1965 AD - peak of personal cars
2007 AD - peak of personal computers
2028 AD - peak of personal *phones?
2038 AD - peak of personal AI's?
2043 AD - peak of personal nanobots?

Each of these peaks is in the exact center of various advancement ages.

The ages are: barbarian age, civilization age, dark age, enlightening ages, federal ages, generator ages, holocaust age, internet age, one world age, microbotic age, sleepless age respectively.

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