Konstantin Tsiolovsky is the first scientists that comes up with the idea of liquid fuel instead of solid fuel.
The prototype launches
The first liquid fuel rocket is launched by Robert Goddard, it makes it 109 mi into the air. This design is mostly used during WWII for the German military.
Sputnik Takes Off
The USSR launches the first artificial satellite into space, the Sputnik satellite was 58 cm in diameter and weighed 84 kg. Sputnik was in orbit for 3 months before it slowed down and chrashed into the Earth.
The Second Sputnik
The USSR launches another satellite, Sputnik 2. The difference is that in Sputnik 2 they launched the first animal into space, Laika. Laika was a stray that was trained for space travel.
The USA Fights Back
The USA launches its first satellite, Explorer 1.
The Second First
The USA's second satellite, Vanguard 1, is launched.
The first Solar-Powered satelitte is launched into orbit by the US
The first Communications Satelitte is launched into orbit to caputre data and communicate back and forth with Earth.
The first heliocentric satellite, Luna 1, is launched by the USSR.
The USA is the first to have a satellite go into a polar orbit, which is when a satellite orbits along the longitude lines instead of latitude.
Plants Safe Return
Sputnik 5 is the first satellite to bring and safely return life, plants and small animals, to space and back to Earth.
Orbiting the Earth
Yuri Gagarin is the first cosmonaut to orbit the Earth, he orbited the Earth in the Vostok 1.
The US Orbit
John Glenn is the First Man to Orbit the Earth in the US.
Mariner 4- NASA is the first satellite to flyby Mars.
More Than One
Voskhod 1 is the first to hold a crew of astronauts into space.
The USSR's First Photos
The USSR the satellite Luna 9 to the Moon and is the first to capture pictures from another planet/ moon
The USSR's Venera 3 is the first to land on Venus and record data.
Gemini 8 ATV- NASA is the first spacecraft to successfully dock a spacecraft.
The US's First Photos
The USA launches satellite Surveyor 1 to the Moon and captures pictures.
Cosmos-186 and Cosmos-188 are the first spacecrafts to be docked via remote- control.
The first Ultraviolet Observatory is made and launched into space, this is the OAO-2- NASA
James Lovell, Frank Borman, and Bill Anderson are the first people to orbit another world, the Moon. They circled the Moon in the Apollo 8 and returned safely.
First Men on the Moon
The USA is the first to have the first humans on the moon, Neil Armstrong and Buzz Alrdrin the first men on the moon.
The USA launches Syncom 3- NASA into a geostationary orbit around the Earth.
First Man to Dance on the Moon
Charles "Pete" Conrad is the first man to dance on the Moon, he was sent there by the Apollo 12- NASA.
The first remote- controlled spacecraft to land on a planet/ moon is the Lunokhod 1
Rovers in the Moon
The first lunar rover that was driven by humans, it was delivered by the Apollo 15- NASA
The Mariner 9- NASA is the first spacecraft to orbit Mars
Leaving the Inner Solar System
The Pioneer 10- NASA is the first spacecraft to have a mission to travel beyond the asteroid belt.
The US Holds the Record
The USA broke the record for a crew to live up in space with 84 days.