Right behind Lenin's Mausoleum, along the walls of the Kremlin, there is a large cementery of honour. This was created in November 1917; At that time around 250 soldiers who had fallen during the October Revolution in Moscow found their final resting place in two collective graves near the Senate tower. The tradition of burying revolutionaries on Red Square, the ultimate symbol of the Bolshevik revolution, continued immediately: as early as the spring of 1919, Lenin's leading comrade Yakov Sverdlov was buried on the Kremlin wall and received with Lenin's Mausoleum, which was completed in 1930 the burial place is its central element. Since then, the mausoleum and the surrounding cemetery have been collectively referred to as the Revolutionary Necropolis.