Celebrating the 250th anniversary of the city of Leningrad. Participants of the anniversary session of the Leningrad Council in the hall of the Kirov Theater. Member of the Presidium of the Supreme Soviet of the USSR AA Andreev presents a government award to the hero-city - the Order of Lenin. Speakers are representatives of the Moscow, Prague, Chinese and Finnish delegations. The first secretary of the regional committee of the party Kozlov speaks in return. The solemn procession of the veterans of the revolution, the working people of the city at the Kirov stadium. Theatrical procession dedicated to the history of the city. Engravings with views of St. Petersburg in the 18th century. The architecture of Leningrad. Palaces, parks, museums and theaters. Lenin's places in Leningrad: the apartment-museum of V.I.Lenin on K. Marx Avenue, where V.I.Lenin was hiding in October 1917, - the owner of M.V. (synchronously); Lenin's room in Smolny; the laying of a monument to V. I. Lenin on Vosstaniya Square. Arrival in Leningrad of the historic steam locomotive No. 293 donated by the Finnish government to the Soviet people, on which V.I. Members of the Presidium of the Party Central Committee visit the largest enterprises in the city. First Secretary of the Party Central Committee NS Khrushchev presents government awards to the workers of the Electrosila plant. Chairman of the Presidium of the Supreme Soviet of the USSR K. E. Voroshilov presents government awards to employees of the Kirov plant, including the head of the workshop A.K. Miroshnikov. Solemn rallies at the enterprises of the city. Descent of the refrigerator "Irkutsk" from the stocks of the Baltic plant. Construction of a nuclear icebreaker. Polar researchers MM Somov in the Museum of the Arctic. Testing of insulators for extra-high voltage lines at the DC Institute. The Polish delegation visits the Izhora plant. Assembling harvesters in the shop of the plant. Archival film documents about the blockade of Leningrad during the Great Patriotic War (countertypes). Construction of residential buildings. Leningrad metro. Unloading ships in the Leningrad port. City streets in festive decoration. Artillery salvo in the Peter and Paul Fortress. Bridges. Schoolchildren in the classroom at the Palace of Pioneers. Antiwar rally at Leningrad University; Academicians A. F. Ioffe, L. A. Orbeli are speaking. Inauguration of the monument to Alexander Pushkin on the Arts Square. Demonstration of workers at the Palace Square. On the podium - the leaders of the party and government. Fireworks over the Neva. Firework.