You should add these A-Class events on your schedule:
A-Class Winter Circuit consisting of:
Coconut Grove Classic/Intergalactic Regattas, Islamorada January 9-13
Ronstan Midwinters, DIYC late February
Admirals Cup, DIYC late March
A-Class Nationals - Houston YC April 20-22
A-Class World Championship, Islamorada mid October
Done.
Note: the spreadsheet is an OpenSource document (ie not password protected). Feel free to update or add events.
The only thing I would ask is that it be for SE events (and associated Nationals). If you want to establish a calendar for Mid-Atlantic, NE, West, etc ... please set up a separate spreadsheet; otherwise this one will become unruly.