 In the 14th century, the area joined the Grand Duchy of Lithuania, and in the 16th century (most notably, after the Battle of Vedrosha, 1503) it moved to the Grand Duchy of Moscow.In the course of the administrative reform carried out in 1708 by Peter the Great, the area was included into Ingermanland Governorate (known since 1710 as Saint Petersburg Governorate).In 1727, separate Novgorod Governorate was split off.