Short answers, pulled from the story.
Daigo Umehara defeated Justin Wong on the 29th of May 2004 during a match in a Tokyo arcade. This event occurred when the score was tied and health bars were nearly empty, leading to a series of perfect defensive maneuvers known as parries.
Street Fighter III 3rd Strike introduced five new characters including Makoto, Remy, Q, Twelve, and Elena. Makoto is a young Japanese girl fighting to save her father's dojo, Remy is a French fighter with a Savate style, Q is a mysterious figure pursued by the CIA, and Twelve is a shapeshifting biological weapon created by Gill.
The Guard Parry, also known as the Red Parry, allows a character to turn red when successfully blocking an attack at the last possible moment. This mechanic serves as both a defensive tool and an offensive weapon that punishes opponents for being too aggressive.
Street Fighter III 3rd Strike was ported to the Sega Dreamcast in 2000. This version included new features like the System Direction mode and an additional remix of each character's musical theme played during the third round of each match.
Street Fighter III 3rd Strike Online Edition was released on PlayStation Network on the 23rd of August 2011. This version featured enhanced visual settings, GGPO-built online play, and new modes like Tournament and Spectator modes.