It has never happened in World Series history.
It has never happened since the World Series began in 1903.
The Royals every single did that and won the world Series
In the 100-plus years of World Series history, no team has ever won a world championship after losing the first three games.
Five teams have done it in a seven-game World Series: 1925 Pirates 1958 Yankees 1968 Tigers 1979 Pirates 1985 Royals The Boston (AL) team also won the Series in 1903 after being down 3-1, but that was a nine-game series.
Montreal Canadiens came back from a 3-1 deficit in 2010
There were no teams ever came back from 3-0 deficit. There were some who forced a game 7 though. However, there were 7 teams to win a playoff series from 3-1 deficit.
I know the red sox came back in 2004
In the 2004 World Series, the Boston Red Sox came back to win the ring from a 3-0 deficit.
The Pittsburgh Pirates came back from a three-to-one deficit to the Baltimore Orioles and won the World Series in seven games.
Baseball Come-Backs I thinkBoston red sox and i think the Brooklyn dodgers I think the Detroit Tigers are the only one
The Los Angeles Dodgers defeated the Minnesota Twins in the 1965 World Series. The Dodgers came back from losing the first two games to eventually win the series 4-3.