Thansk for the mention and reenabling my account. I also managed to dig these up last night. I have the links to relevant information of where the dates came from, as well as some data that you have missing directly from the lotteries websites. I can't seem to find how long it takes before I can post links though, and also if posting links in PM's is allowed. If you'd let me know if posting links via PM is allowed, I'll send you all the links so you can grab that data. I have listed the lottery, the starting date I found, and whether it matches the date you have.
Multi-Country EuroMillions 02/13/2004 Correct
Multi-Province Canada Lotto 6/49 06/12/1982 Correct
Multi-Province Canada Super 7 06/10/1994 Correct
Arizona Pick 3 05/04/1998 Wrong
Arizona Cash 4 03/30/2009 Correct
Arizona Pick 5 10/04/1991 Correct
Arizona The Pick 10/13/1984 Wrong
Atlantic Canada Salsa Bingo 04/01/2008 Correct
Atlantic Canada Keno Atlantic 10/22/2001 Correct
Atlantic Canada Pik 4 06/12/1982 Wrong
Atlantic Canada Bucko 2/2/2006 Correct
Atlantic Canada Atlantic 6/49 11/13/2002 Correct
Atlantic Canada Tag 05/04/1988 Wrong
British Columbia Extra 08/24/1988 Correct
British Columbia BC/49 01/29/1992 Correct
California Daily Derby 01/20/1998 Correct
California Midday 3 11/04/2002 Correct
California Daily 3 04/13/1992 Wrong
California Daily 4 05/19/2008 Correct
California SuperLotto Plus 06/07/2000 Wrong
California Fantasy 5 02/04/1992 Correct
Colorado Cash 5 09/20/1996 Correct
Colorado Lotto 01/28/1989 Correct
Connecticut Midday 3 02/02/1998 Wrong
Connecticut Play 3 03/16/1977 Wrong
Connecticut Midday 4 02/02/1998 Wrong
Connecticut Play 4 10/24/1980 Wrong
Connecticut Lucky-4-Life 03/29/2009 Wrong
Connecticut Cash 5 04/05/1992 Wrong
Connecticut Classic Lotto 11/07/1983 Wrong
Delaware Midday 3 05/18/1993 Wrong
Delaware Play 3 01/24/1978 Wrong
Delaware Midday 4 05/18/1993 Wrong
Delaware Play 4 01/11/1980 Wrong
Delaware Multi-Win Lotto 01/28/2005 Correct
Florida Play 4 Evening Just wanted to make a note here, you have 07/04/1991 listed as first date, but according to their website, 07/05/1991 was the first drawing?
Florida Lotto 05/28/1988 Wrong
Florida Mega Money 02/25/1998 Wrong
Florida Fantasy 5 04/28/1989 Wrong
These dates are listed already as confirmed, but they appear to be wrong according to their timeline above.
Georgia Fantasy 5 11/15/1994 Wrong Tickets started selling 11/14/1994, first drawing 11/15/1994(Tuesday)
Georgia Cash 4 04/06/1997 Wrong
That's it for now, I should be able to do more later (I've got lots of free time.) Again, just let me know when I'll be allowed to post links (how long or how many posts are required) or if it's possible to PM you the links as I've all the timelines I pulled the information from saved as well as where you can download the data (for some) in CSV format direct from them.
-Jeff