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The first atomic explosion in New Mexico
Construction of deliverable bomb -
The atomic bombings in Japan
World War || American B-29 bomber dropped worlds first deployed atomic bomb over Hiroshima -
Development of the hydrogen bomb
Soviet Union began its hydrogen bomb program and first developed fusion design in 1949 -
Soviet development of nuclear weapons
RDS-1 First nuclear test by soviet at semipalatinskon -
USSR Launches Sputnik 1
1st artificial satellite for Space Race -
Sputnik 2 USSR
Carried first living being to orbit which was a dog named Laika. The dog died a few hours into the launch but the spacecraft continued to orbit for 162 days -
Launch of Explorer 1 US
First US satellite. Key importance for discovery of the Van-Allen Radiation belt -
Luna 1 USSR
First rocket engine restart in earth orbit
First lunar spacecraft
First detection of solar winds -
Tiros 1 NASA US
First imaging weather satellite -
Sputnik 5 USSR
First animals and plants returned to earth from space alive -
Launch of Vostok 1 USSR
Yuri Gagarin became the first human on history to travel to space he orbited for 2 hours -
Launch of Mercury-Redstone 3 US
First successful human spaceflight few weeks after Vostok 1 Alan Shepherd om board -
Ranger 4 NASA US
First spacecraft to impact the far side of the moon -
Vostok 6 USSR
First women in space -
Voskhod 1 USSR
First multi person Crew -
Gemini 3 NASA US
First piloted spacecraft to orbit change -
Soyuz 4 - Soyuz 5
First crew exchange in space -
US Apollo 11
First manned moon landing Neil Armstrong, Michael Collins, Buzz Aldrin -
Deployment of first US ICBM
First ICBM to hold multiple independent reentry vehicles. Minuteman ||| is only ICBM still deployed in US. -
Venera 7
First soft landing on another planet (Venus)
First signals from another planet -
USSR Salyut 1
USSR launched first space station into orbit which would form the basis for the later Mir Space Station -
Apollo 15 NASA US
First mobile vehicle lunar rover driven by humans on the moon -
Mariner-9
First spacecraft to orbit another planet (Mars) -
Skylab-4
84 day human-crewed space record -
Soyus 19
First multinational human-crewed mission - Several countries or nationalities-
