Question: When did the dh rule start in baseball?

Disambiguated questions and answers:
context: At first, the DH rule was not applied to the World Series. From 1973 to 1975, all World Series games were played under National League rules, with no DH and pitchers batting. For 1976, it was decided the DH rule would apply to all games in a World Series, regardless of venue, but only in even-numbered years. Cincinnati Reds first baseman Dan Driessen became the first National League player to act as a DH in any capacity (regular season or postseason) when he was listed as the DH in the first game (he was the DH in all four Series games that year). This practice lasted through 1985. Beginning in 1986, the DH rule was used in games played in the stadium of the American League representative.
question: When did the American league regular season dh rule start in mlb baseball?
short_answers: 1973
wikipage: Designated hitter
context: At first, the DH rule was not applied to the World Series. From 1973 to 1975, all World Series games were played under National League rules, with no DH and pitchers batting. For 1976, it was decided the DH rule would apply to all games in a World Series, regardless of venue, but only in even-numbered years. Cincinnati Reds first baseman Dan Driessen became the first National League player to act as a DH in any capacity (regular season or postseason) when he was listed as the DH in the first game (he was the DH in all four Series games that year). This practice lasted through 1985. Beginning in 1986, the DH rule was used in games played in the stadium of the American League representative.
question: When did the world series dh rule in even years start in mlb baseball?
short_answers: 1976
wikipage: Designated hitter
context: At first, the DH rule was not applied to the World Series. From 1973 to 1975, all World Series games were played under National League rules, with no DH and pitchers batting. For 1976, it was decided the DH rule would apply to all games in a World Series, regardless of venue, but only in even-numbered years. Cincinnati Reds first baseman Dan Driessen became the first National League player to act as a DH in any capacity (regular season or postseason) when he was listed as the DH in the first game (he was the DH in all four Series games that year). This practice lasted through 1985. Beginning in 1986, the DH rule was used in games played in the stadium of the American League representative.
question: When did the world series dh rule in every game at an American League stadium in even years start in mlb baseball?
short_answers: 1986
wikipage: Designated hitter
context: There was initially no DH in the All-Star Game. Beginning in 1989, the rule was applied only to games played in American League stadiums. During this era, if the All-Star Game was scheduled for an American League stadium, fans would vote in the DH for the American League's starting lineup, while the National League's manager decided that league's starting DH. Since 2010, the designated hitter has always been used by both teams regardless of where the game is played.
question: When did the dh in all-star games at American League stadiums rule start in mlb baseball?
short_answers: 1989
wikipage: Designated hitter
context: There was initially no DH in the All-Star Game. Beginning in 1989, the rule was applied only to games played in American League stadiums. During this era, if the All-Star Game was scheduled for an American League stadium, fans would vote in the DH for the American League's starting lineup, while the National League's manager decided that league's starting DH. Since 2010, the designated hitter has always been used by both teams regardless of where the game is played.
question: When did the dh in all all-star games rule start in mlbbaseball?
short_answers: 2010
wikipage: Designated hitter
context: The DH is used in most professional baseball leagues around the world. One notable exception is the Central League of Japan, where pitchers bat as they do in the National League. Japan's Pacific League adopted the designated hitter in 1975. When teams from different leagues play against each other in the Japan Series or interleague games, the DH rule is adopted if the Pacific League's team hosts the game. The DH rule is used in the Japanese minor leagues.
question: When did the dh rule start in Japanese Pacific League baseball?
short_answers: 1975
wikipage: Designated hitter

Long-form answers:
knowledge: content: In baseball, the designated hitter (DH) is a player that bats in place of the pitcher. The position is authorized by Major League Baseball Rule 5.11,[2] and was adopted by the American League in 1973.
wikipage: Designated hitter
long_answer: The American League regular season started using the Designated Hitter, or DH, rule in Major League Baseball in 1973. In 1976, it was decided that the DH rule would be used for all games in a World Series, in even-numbered years, then, in 1986, the rule was applied to World Series games that were played in an American League stadium. In 1989, the rule was applied to All-Star games played at American League stadiums, and in 2010 it was applied to every All-Star game, no matter where they were played. Japan's Pacific League started using the DH rule in 1975.