Short answers, pulled from the story.
The German V-2 rocket test launch designated MW 18014 became the first human-made object to reach outer space on the 20th of June 1944. This vertical test flight attained an apogee of 176 kilometers at the Peenemünde Army Research Center in Peenemünde.
Sputnik 1 orbited Earth starting on the 4th of October 1957 and burned up upon re-entry on the 3rd of January 1958. The satellite collected information about electron density in the ionosphere while encoding temperature and pressure data in its radio beeps.
Yuri Gagarin became the first human in space aboard Vostok 1 on the 12th of April 1961. His flight lasted approximately one hour and 48 minutes before returning to Earth.
Voyager 1 became the first human-made object to leave the Solar System into interstellar space on the 25th of August 2012. It passed the heliopause at a distance of 121 AU from the Sun.
Apollo 11 marked the first time humans set foot upon another world on the 20th of July 1969. There have been a total of six spacecraft with humans landing on the Moon from 1969 to 1972.