1911 Encyclopædia Britannica, Volume 28… (1911)
“ Moscow disputed its possession with Novgorod until the 15th century; the Moscow princes intrigued to find support amidst the poorer inhabitants against the richer Novgorod merchants, and four successive times Vologda had to fight against its metropolis. It was definitely annexed to Moscow in 1447. When Archangel was founded, and opened for foreign trade in 1553, Vologda became the chief depot for goods exported through that channel. ”
