20 moments
Birth at Bolshaya Tes
· Bolshaya Tes, Krasnoyarsk Krai, Russia
Chernenko was born in the Siberian village of Bolshaya Tes, then in the Russian Empire. The village was later flooded during construction of the Krasnoyarsk Reservoir; coordinates identify its former site.
Komsomol propaganda post
· Novosyolovo, Krasnoyarsk Krai, Russia

Wikimedia Commons · Creative Commons Attribution 4.0 International · file He began documented party-political work as head of agitation and propaganda for the Novosyolovsky district Komsomol committee. The source gives a 1929–1931 tenure; coordinates represent the Novosyolovsky district center.
Frontier service at Khorgos
· Khorgos border area, Kazakhstan

Wikimedia Commons · Creative Commons Attribution 4.0 International · file Chernenko served with the 49th frontier detachment at the Khorgos border outpost in the Kazakh ASSR. Coordinates are a representative point for the historical Khorgos frontier-post area; the source gives a 1931–1933 tenure.
Novosyolovsky District propaganda work
· Novosyolovo, Krasnoyarsk Krai, Russia

Wikimedia Commons · Creative Commons Attribution 4.0 International · file After frontier service, Chernenko worked in the Propaganda Department of the Novosyolovsky District Party Committee. Coordinates represent the district center.
Krasnoyarsk territorial committee appointment
· Krasnoyarsk, Russia
Chernenko was appointed deputy head of the Agitprop Department of the Krasnoyarsk Territorial Committee. Coordinates represent Krasnoyarsk, the seat of the territorial committee.
Party-organizer study
· Moscow, Russia

Wikimedia Commons · Creative Commons Attribution 4.0 International · file He left his Krasnoyarsk party post to study at the Higher School of Party Organizers in Moscow. Coordinates represent central Moscow; the source gives a 1943–1945 period of study.
Penza regional party secretary
· Penza, Russia

Wikimedia Commons · Creative Commons Attribution 4.0 International · file After completing party training, Chernenko was sent to Penza as a regional party secretary responsible for propaganda and agitation. The source gives a 1945–1948 tenure; coordinates represent Penza.
Moldavian Communist Party propaganda department
· Moldavian Soviet Socialist Republic, Soviet Union

Wikimedia Commons · Creative Commons Attribution 4.0 International · file Chernenko moved to the Moldavian SSR and became a senior official in the Communist Party's propaganda and agitation department, the position that brought him into Brezhnev's orbit. The evidence specifies the Moldavian SSR rather than a city; coordinates are a representative point at Chișinău, the republic's capital and party-administration seat.
Graduation from Kishinev Pedagogical Institute
· Chișinău, Moldavia

Wikimedia Commons · Creative Commons Attribution 4.0 International · file While working in Moldavia, Chernenko completed a history-teacher qualification at the Kishinev Pedagogical Institute. Coordinates represent Chișinău.
Move to the CPSU apparatus
· Moscow, Russia
Chernenko moved from Moldavia to Moscow for work in the CPSU Central Committee's propaganda apparatus. Coordinates represent central Moscow.
Helsinki Conference journey
· Helsinki, Finland
Chernenko traveled with Brezhnev to the Conference on Security and Cooperation in Europe, a major international summit in Helsinki. The source supports year-level precision only; coordinates represent Helsinki.
SALT II summit participation
· Vienna, Austria
Chernenko attended the first Carter–Brezhnev plenary meeting during the Vienna summit associated with the SALT II agreement. Coordinates represent central Vienna; the U.S. State Department memorandum lists Chernenko among Soviet participants.
Holiday at the Glycine state dacha
· Glycine state dacha, Nizhnyaya Oreanda, Crimea, Ukraine

Wikimedia Commons · Creative Commons Attribution 4.0 International · file Chernenko was photographed while vacationing at the state dacha Glycine in Nizhnyaya Oreanda, Crimea. The caption dates the stay to summer 1981; coordinates represent Nizhnyaya Oreanda.
Party meeting appearance in Tbilisi
· Tbilisi, Georgian SSR, Soviet Union
Chernenko was sent to stand in for Brezhnev at a party meeting in Tbilisi shortly before Brezhnev's death. The account is retrospective; coordinates represent central Tbilisi.
Arrival at Kislovodsk health resort
· Kislovodsk, Stavropol Krai, Russia
Doctors sent Chernenko to the mineral spas at Kislovodsk during the summer; his health deteriorated on the day he arrived. The source specifies summer 1984 but not a day or month.
Election as General Secretary
· Hall of Columns, House of Unions, Moscow, Russia
On the day he was elected General Secretary, Chernenko was filmed entering Moscow's Hall of Columns with other Soviet leaders.
Meeting with Hans-Jochen Vogel
· Moscow, Russia
Chernenko met West German Social Democratic opposition leader Hans-Jochen Vogel in Moscow during his first month as Soviet leader. The article published on 13 March reports the meeting as occurring the previous day.
Address to Komsomol organization leaders
· Moscow, Russia

Wikimedia Commons · Creative Commons Attribution 4.0 International · file As CPSU General Secretary, Chernenko addressed the USSR congress of Komsomol organization leaders in Moscow. The archival TASS photograph is dated 28 May 1984; coordinates represent Moscow.
Meeting with Neil Kinnock
· Moscow, Russia
Chernenko met Neil Kinnock, leader of Britain's Labour Party, in Moscow to discuss prospects for Soviet-American arms talks. Coordinates represent central Moscow.
Death in Moscow
· Moscow, Russia
Chernenko died in Moscow after less than thirteen months as Soviet leader. Coordinates represent central Moscow; the source does not specify the precise medical facility.