Events at a Glance
Annual Event
The BSI Annual Dinner
The flagship event of the Sherlockian calendar. Held each January in New York City, gathering BSI members and their invited guests since 1934.
The Full Weekend
BSI Weekend in New York
Three days of Sherlockian fellowship, from the Distinguished Speaker Lecture on Thursday to the Merchants Room and BSI Reception on Saturday. Register for individual events or plan the full weekend.
Scion Societies
Events Near You
BSI scion societies are local groups affiliated with the BSI, meeting across the country and around the world. Find Sherlockian events and meetings happening near you throughout the year.
Coming Up
Upcoming Events
Some events are only shown to BSI members and invited guests. Log in to see every event open to you.
SAMPLE – BSI Distinguished Speaker Lecture
January 14, 2027
Thursday, January 14, 6:15 to 7:30 p.m. The guest speaker will be Arvind Ethan David, the author of The Great Game. Admission is by advance purchase only, and no tickets will be sold at the door. [BSI REVIEW: confirm Arvind Ethan David is the 2027 speaker. The website information form listed him with a 2026 date.]
$23.00
SAMPLE – BSI Merchants Room Vendor Table
January 16, 2027
Saturday, January 16, 9:00 to 11:30 a.m., in the Grand Central Ballroom. Early booking is encouraged, as tables sell out every year.
$50.00
SAMPLE – BSI Conference
July 15, 2027
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$1.00