Mikhail Lavrov Mikhail Lavrov Mikhail Andrianovich Lavrov () (1799–1882) was a Russian rear-admiral and Arctic explorer. Mikhail Lavrov was born on 13 September 1799 in the city of Arkhangelsk. He graduated from Cadets Corps in Saint Petersburg and served at the Baltic Fleet. He participated in the voyage of the cargo ship "Mezen" from Kronstadt to Arkhangelsk and back in 1819–1820. In 1821–1824, in the rank of senior officer, he participated in the expedition of Fyodor Litke on board of the brig "Novaya Zemlya", making description of coast line of Murmansk and Novaya Zemlya archipelago. In 1825–1827, he made a round-the-world voyage
Apostolic Vicariate of the Comoros Archipelago Apostolic Vicariate of the Comoros Archipelago The Apostolic Vicariate of the Comoros Archipelago is a tiny Latin apostolic vicariate (missionary pre-diocesan jurisdiction) of the Roman Catholic Church in the Indian Ocean between insular Madagascar and continental Africa, comprising the Comoros and Mayotte, with a church in each. The see is at Moroni, Comoros on Grande Comore island. It is exempt, i.e. directly subject to the Holy See, not part of any ecclesiastical province. On 5 June 1975, the Holy See established an Apostolic Administration of Comoros on the present territory, which was split from the Diocese of Ambanja (on Madagascar),