Baseball at the Summer Olympics unofficially debuted at the 1904 Summer Olympics, and became an official Olympic sport at the 1992 Summer Olympics. The event was last played in the 2008 Summer Olympics in Beijing with South Korea taking the gold; the sport was dropped from the Summer Olympic programme, but will be revived as part of the programme for the 2020 Summer Olympics in Tokyo.

is baseball going to be in the 2020 olympics?
yes