The first half of a two-part seminar on social media use by restaurants is scheduled for both Monday afternoon and Tuesday morning. The weekly Food and Drink Trivia Contest is at Bull Feeney’s tonight, and on Tuesday, the next Wine Flight 5k Training run is taking place. Old Port Sea Grill is holding a beer and wine dinner Tuesday night. There are wine tastings scheduled Wednesday at Old Port Wine Merchants and Thursday at Leavitt and Sons. Also on Thursday night is the 4th Annual Taste of the Nation dinner and a Geary’s showcase at The Great Lost Bear. Farmers’ Markets are being held in Monument Square on Wednesday and at Deering Oaks Park on Saturday. For more information on these and other upcoming food happenings in the area, visit the event calendar.