Trotsky's 15 minute of fame

What if Leon Trotsky enjoys his "15 minutes of fame" be being a Soviet leader for few months after Lenin's death?

Timeline
1924: After the death of Lenin, Leon Trotsky attended his funeral in time, foiling one of Stalin's scheme to wrestle power from him, although he would be assasinated by one of Stalin's henchman, causing the Uncle Joe to seize the political power. Point of divergence.

1957: Russia's Sputnik I is the first satellite to go into orbit.

1958: NASA is formed in the USA.

April 12, 1961: Soviet cosmonaut Yuri Gagarin is launched into space, however he was left stranded there to die after the retrorockets of Vostok I malfunctioned, sending shockwaves throughout the whole world.

April 23, 1961: Yuri Gagarin became the first person to die in space. The last transmission from him was "I see everything, just as I have seen everything… The Earth, the clouds, the mountains. The flight continues… but all instruments are beginning their failure. I am at peace. And shall die in peace. I cannot breathe well…………………Farewell Comrades… " Afterwards Nixon sent condolences to USSR and Gagarin's family on behalf of USA.

May 2, 1961: The Vostok I spacecraft's finally decayed form orbit and reenters the atmosphere.

May 5, 1961: NASA's Alan Shepard became the first man to go into space and return alive.

May 12, 1961: Nixon approved an invasion of Communist Cuba under "Operation Pluto".

May 19, 1961: Russian cosmonaut Gherman Titov became the first person to go into orbit, and return alive.

February 1962: John Glenn became the first American in orbit.

1963: The Vostok spaceflight program persisted instead of being cancelled.

August 1964: Russian cosmonaut Pavel Belyayev is the first man to take a flight into the high Earth orbit in the Vostok 9 mission.

March 1965: NASA's Gemini 3 spacecraft is the first multi-manned spacecraft.

June 3, 1965: NASA 's Gemini 4 is launched. Astronaut Edward White became the first person to spacewalk.

June 14, 1965: USSR launched the Vostok 11 spacewalk mission. Vladimir Komarov is the second spacewalker.

1966: USSR's Luna 9 crashed to the Moon, causing NASA's Surveyor I to become the first to soft land on the Moon instead. At the same year Luna 10 failed to go into orbit, giving Americans another advantage when their "Lunar Orbiter I" spacecraft became the first to orbit the Moon.

1967: In this TL the Soyuz 1 isn't as disastrous as in OTL, with the crew member surviving.

1968: NASA's Apollo 8 flew around the Moon.

July 20, 1969: NASA astronaut Neil Armstrong is the first human to land on the Moon.

1971: Soviet Union launched the Salyut 1 space station.

1975: An Apollo spacecraft docked with a Soyuz spacecraft, marking the end of the Space Race.

1981: NASA launched the first space shuttle "Columbia".

1984: Soviet space probe Vega 1 flew by Halley's comet.

1986: Challenger space shuttle disaster.

1989: NASA interplanetary probe "Galileo" is launched to Jupiter.

1991: Collapse of the USSR.

1996: NASA Mars probe Sojourner is launched.

1998: The International Space Station is launched.

2008: The Large Hadron Collider went online.

2012: Phobos-Grunt arrives at the Martian system.

2014: Phobos-Grunt returns to Earth with the samples from Phobos the Martian moon.

2016: Hillary Clinton won the U.S. presidential election.