The launch of the first in history man-made sputnik was held on 4th October 1957. This day is considered to be the beginning of the mankind space era. The first man-made sputnik was placed into orbit by a rocket vehicle from Baikonur spaceport. A radio beacon was installed on a board of sputnik for monitoring the flight and carrying out an investigation.
https://www.beatport.com/en-US/html/content/release/detail/195639/sputnik_ep