A book is sanctified to dating of Christmas got authors 1152 is Christly the year of н. э. (with the January or September beginning of year| in the usual today January years it will be on December, 25, 1152 н. э. or on December, 25, 1151 н. э. accordingly) and to the effluent from here reconstruction of history of the XII century. First this dating was got authors in 2003 and since found numerous confirmations. A book contains new results only. It second edition corrected and complemented.The indicated dating of epoch of Christ is final, as got by means of independent естественно-научных methods. She is in ideal accordance with statistical параллелизмами, that allows on the whole to complete the reconstruction of writing history of humanity, beginning from the epoch of origin of the written language in X - XI eyelids. A new step is in the reconstruction of universal history allows quite othergates to give a glance into place of Russian Orthodoxy in christianity.Authors do not quite touch the questions of faith and divinity and, in particular, discuss none of church dogmas. The questions of historical-chronologic character are affected in a book exceptionally. As authors mark, the reconstruction offered by them is while hypothetical. At the same time, authors are responsible for exactness and reliability dating calculated by them.A book is intended for the widest circle of the readers, interested in history of christianity, history of Rus and new opening in area of new chronology.