Short answers, pulled from the story.
Takashi Nishiyama and Hiroshi Matsumoto designed the original Street Fighter game released in August 1987. This small team at Capcom in Osaka created the arcade title that introduced special attack mechanics like the Hadoken and Shoryuken.
Street Fighter II: The World Warrior hit arcades on the 14th of March 1991. This release eclipsed all previous expectations and established the conventions of the one-on-one fighting genre.
The original Japanese boss character Mike Bison was renamed Balrog for international releases to avoid legal issues with Mike Tyson. The Spanish warrior Vega took the name M. Bison, and the original M. Bison was renamed Vega.
Evo Moment 37 occurred in 2004 during the Evolution Championship Series when Daigo Umehara parried fifteen consecutive hits from Justin Wong. This moment is frequently described as the most iconic and memorable in the history of competitive video gaming.
Street Fighter III debuted in 1997 and introduced the parry mechanic that allowed players to block attacks by timing their blocks perfectly. This iteration also introduced new characters like Alex and Gill while discarding much of the previous roster.