I see. So all in all- assuming Yellow is identical in both regions- here's the complete list of original Pokemon games:
Green/Red (JPN) -> Blue (JPN) -> Red/Blue (International) -> Yellow (JPN/International)
Four iterations, six games!
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http://www.youtube.com/watch?v=SBpfwpOPXNc&NR=1&feature=fvwp
I watch Planet Chasers Starlight Excellent all day, every day.