1) Opening of mine No. 4. Excavation of the first tunnel of mine No. 4. 2) The first potash plant named after X anniversary of the October Revolution. 3) Leningrad Electrotechnical Institute: laboratory workers at the metal hardening apparatus. 4) Planting forests on the collective farm of the Saratov region. Plowing the land. 5) Meeting of the soldiers of the Red Army - tankmen of the brothers Mikheevs with their fellow villagers. 6) Graduation of cadets from the Moscow Military Technical School.