Vol. 28 (6) 2007 Neuro endocrinology letters

Solar activity, revolutions and cultural prime in the history of mankind.

BACKGROUND: Russian astronomer A.L. Tchijevsky published in the twenties of 20th century a study comparing the approximately 11-year cycling of "sunspot activity" and "historical process", analyzed globally since the 5th century B.C. to the 19th century A.D. According to him, phenomena of societal "excitation", as revolutions, occurred .....