Milestones of spaceflight1957: Sputnik 1 - First satellite; 1961: Vostok 1 - Gagarin in orbit; 1969: Apollo 11 - People on the Moon; 1971: Salyut 1 - First space station; 1990: Hubble - A telescope in orbit; 1998: Zarya - The ISS begins1960196519701975198019851990199520001957: Sputnik 1 - First satellite1957Sputnik 1First satellite1961: Vostok 1 - Gagarin in orbit1961Vostok 1Gagarin in orbit1969: Apollo 11 - People on the Moon1969Apollo 11People on the Moon1971: Salyut 1 - First space station1971Salyut 1First space station1990: Hubble - A telescope in orbit1990HubbleA telescope in orbit1998: Zarya - The ISS begins1998ZaryaThe ISS begins