|Date: May 23, 1937
||Aircraft Known to be Involved: Unidentified gliders
- Arranged by the Latvian Aeroklub's Valka chapter, this event opened the 1937 Aviation Festival season with
a modest program. The event began with a parade to the Valka aerodrome, where there was a model airplane
demonstration. The day ended with a glider providing a flight demonstration.
Latvijas Karievis May 21, 1937