Street Fighter Alpha happened in 1995.
Street Fighter Alpha Anthology happened in 2006.
Street Fighter Alpha was created in 1995.
Street Fighter Alpha
Street Fighter Alpha Anthology was created on 2006-05-25.
Yes, Street Fighter Alpha and Street Fighter Zero are the same; the prior is the American release title while the latter is the Japanese release title.
These are all of them... Street Fighter Street Fighter II Series Street Fighter Zero/Alpha Series Street Fighter III Series Street Fighter IV Series
1995.
Street Fighter III happened in 1997.
Street Fighter Collection happened in 1997.
Street Fighter IV happened in 360.
Street Fighter EX happened in 1996.
Street Fighter II happened in 1991.