27 moments
Birth in Listvyanka
· Listvyanka, Tisulsky District, Kemerovo Oblast, Russia

Wikimedia Commons · Public domain · file Leonov was born in the Siberian village of Listvyanka, the starting point of his life chronology. The exact modern coordinates of the small birthplace settlement are uncertain in readily checkable English-language gazetteers; coordinates represent Tisulsky District's administrative center.
Family relocation to Kemerovo
· Kemerovo, Kemerovo Oblast, Russia

Wikimedia Commons · Public domain · file After his father's arrest during the purges, Leonov's family moved to Kemerovo, where his father later rejoined them. The move is described immediately after the article's account of his father's 1936 arrest; no more precise date is stated.
Family relocation to Kaliningrad
· Kaliningrad, Russia

Wikimedia Commons · Public domain · file Leonov moved with his family to Kaliningrad as a teenager and later completed secondary school there.
First solo flight at preparatory flying school
· Kremenchuk, Poltava Oblast, Ukraine

Wikimedia Commons · Public domain · file While training through a preparatory flying school in Kremenchuk, Leonov made his first solo flight, an early milestone in his aviation career. The source supplies only month precision.
Transfer to a reconnaissance-regiment assignment
· East Germany

Wikimedia Commons · Public domain · file The day after his marriage, Leonov moved to East Germany for a new Soviet Air Force reconnaissance-regiment assignment. The source identifies East Germany but not the regiment's specific base; coordinates are a representative point for the former state.
First human spacewalk
· Low Earth orbit, ground track from northern Sudan/southern Egypt to eastern Siberia

Wikimedia Commons · Public domain · file During Voskhod 2, Leonov left the spacecraft to complete humanity's first extravehicular activity. WGS84 coordinates represent the stated beginning ground-track area beneath the orbital spacewalk, not a fixed spacecraft position.
Voskhod 2 landing in the Ural forest
· Voskhod 2 landing site, Upper Kama Upland, Perm Krai, Russia

Wikimedia Commons · CC BY-SA 3.0 · file Leonov returned to Earth with Pavel Belyayev when Voskhod 2 landed far from its intended zone in the Perm region. The landing-site coordinates are explicitly supplied by the source.
Cosmonauts' motorcade shooting
· Borovitsky Gate, Moscow Kremlin, Moscow, Russia

Wikimedia Commons · CC BY-SA 3.0 · file Leonov was among the cosmonauts riding in a Kremlin-bound limousine fired upon during Viktor Ilyin's attempted assassination of Leonid Brezhnev.
Chicago motorcade during United States tour
· Chicago, Illinois, United States

Wikimedia Commons · Public domain · file Leonov took part in the Apollo–Soyuz crew's Chicago stop, including a motorcade with Mayor Richard J. Daley. The preceding sentence identifies Leonov and Kubasov as accompanying the Apollo astronauts on this United States tour; the source does not specify Chicago's individual date.
Postflight visit to Kyiv
· Kyiv, Ukrainian SSR, Soviet Union

Wikimedia Commons · Public domain · file Leonov visited Kyiv with the joint Apollo–Soyuz goodwill-tour party. The source places this visit within the 1975 Soviet goodwill tour but does not specify an individual date.
Postflight visit to Leningrad
· Leningrad, Russian SFSR, Soviet Union

Wikimedia Commons · Public domain · file Leonov joined the Apollo–Soyuz goodwill tour's visit to Leningrad. The source places this visit within the 1975 Soviet goodwill tour but does not specify an individual date.
Postflight visit to Novosibirsk
· Novosibirsk, Russian SFSR, Soviet Union

Wikimedia Commons · Public domain · file Leonov visited Novosibirsk in Siberia during the Apollo–Soyuz goodwill tour. The source places this visit within the 1975 Soviet goodwill tour but does not specify an individual date.
Postflight visit to Sochi
· Sochi, Russian SFSR, Soviet Union

Wikimedia Commons · Public domain · file Sochi was the final stated stop of the Apollo–Soyuz crew's Soviet goodwill tour, which included Leonov. The source places this visit within the 1975 Soviet goodwill tour but does not specify an individual date.
Postflight visit to Tbilisi
· Tbilisi, Georgian SSR, Soviet Union

Wikimedia Commons · Public domain · file Leonov visited Tbilisi during the joint crew's Soviet goodwill tour. The source spells the city “Tblisi” and places the visit within the 1975 Soviet goodwill tour without an individual date.
Postflight visit to Volgograd
· Volgograd, Russian SFSR, Soviet Union

Wikimedia Commons · Public domain · file Leonov visited Volgograd with the Apollo–Soyuz postflight tour. The source places this visit within the 1975 Soviet goodwill tour but does not specify an individual date.
United Nations stop at end of United States tour
· United Nations Headquarters, New York City, New York, United States

Wikimedia Commons · Public domain · file Leonov concluded the two-week United States goodwill tour with the Apollo–Soyuz crew at the United Nations in New York. The source identifies the touring party as Leonov, Kubasov, and the Apollo astronauts, but does not provide the United Nations stop's individual date.
Visit to Rockwell plant in Downey
· Rockwell International plant, Downey, California, United States

Wikimedia Commons · Public domain · file Leonov and the other Apollo–Soyuz crewmembers visited the Rockwell International plant and were reunited with the Apollo spacecraft from their mission. The source identifies the five crewmembers as the joint Apollo–Soyuz crew; it does not provide the stop's individual date.
Boarding Soyuz 19 at Gagarin Start
· Gagarin Start (Baikonur Site 1/5), Baikonur Cosmodrome, Kazakhstan

Wikimedia Commons · Public domain · file Leonov prepared for and boarded Soyuz 19 at Baikonur's Launch Pad 1 before the Apollo–Soyuz mission.
Apollo–Soyuz handshake over Metz
· Low Earth orbit over Metz, France

Wikimedia Commons · Public domain · file As Soyuz commander, Leonov exchanged the first international handshake in space with Apollo commander Thomas Stafford after the spacecraft docked. Coordinates identify Metz, the stated ground-track location beneath the orbital event.
Soyuz 19 landing in Kazakhstan
· Soyuz 19 landing site, Kazakh Steppe, Kazakhstan

Wikimedia Commons · Public domain · file Leonov completed his second and final spaceflight when the Soyuz 19 descent module landed in the Kazakh Steppe. Leonov is identified on the same mission page as Soyuz 19's commander.
Postflight visit to Star City
· Yuri Gagarin Cosmonaut Training Center, Star City, Moscow Oblast, Russia

Wikimedia Commons · Public domain · file During the Soviet tour, Leonov visited the Cosmonaut Training Center at Star City with his Apollo–Soyuz crewmates. The cited tour began on 20 September 1975; the source does not give the exact day of the Star City visit.
Postflight tour in Moscow
· Moscow, Russia

Wikimedia Commons · Public domain · file Leonov joined the Apollo–Soyuz crew during the Soviet portion of their postflight goodwill tour, including activities in Moscow.
White House reception during United States tour
· White House, Washington, D.C., United States

Wikimedia Commons · Public domain · file Leonov arrived in the United States with Kubasov and the Apollo astronauts; President Gerald Ford received the group at the White House in Washington.
Later-life residence in Moscow
· Moscow, Russia

Wikimedia Commons · CC BY 4.0 · file After retiring, Leonov lived in Moscow during his final years while continuing public, artistic, and advisory activities. The source establishes residence beginning after his 1991 retirement but does not identify a specific Moscow address.
Apollo–Soyuz 35th-anniversary reunion
· Omega Watches Boutique, New York City, New York, United States

Wikimedia Commons · Public domain · file Leonov met surviving Apollo–Soyuz crewmates in New York City for the mission's thirty-fifth anniversary commemoration. The report is dated 16 July 2010 and says the reunion occurred on Thursday, 15 July 2010; Leonov did not participate in the evening panel after falling ill.
Federation Council meeting
· Federation Council Building, 26 Bolshaya Dmitrovka, Moscow, Russia

Wikimedia Commons · CC BY 4.0 · file Leonov appeared at a meeting of Russia's Federation Council in Moscow. The date is supplied by the image caption. The venue coordinate uses the Federation Council's stated meeting place.
Death in Moscow
· Moscow, Russia

Wikimedia Commons · CC BY 4.0 · file Leonov died in Moscow after a long illness, ending a life that included two spaceflights and the first human spacewalk. The source does not identify the exact medical facility or address.