June 30 in #Russia: 1736 - the removal of the Turkish siege of #Azov, the final annexation of the city to Russia. 1824 – The beginning of the voyage to the shores of the Novaya Zemlya of the military brig "Novaya Zemlya" under the command of F. P. Litke. 1887 – In the Russia, as part of the counter-reforms, the circular "On the reduction of gymnasium education" is adopted. 1908 - Over the central part of Siberia, in the interfluve of the Lower Tunguska and Lena