Yes! I also know about the mention of how Latvia was the first to ever have a decorated Christmas tree.
I was just back there this Summer, and read about it in some literature.
The Baltic Countries--as small as they are--have been trail blazers in many ways! Like--breaking up the Soviet occupation of the many Eastern European countries...They called it "The Revolution of Song".
I always will think that these three small, Baltic countries (Latvia--the Land of my birth), and the other two--Estonia and Lithuania-- as "The Mouse That Roared"...and, the World heard them and listened--and, finally, paid attention...and EVERYTHING changed because of it!