the Library of Congress reports — a hand-wired string of 80 red, white and blue bulbs. However, those used to lighting their Christmas trees with candles at the time weren’t ready to switch over just yet.
Electricity still wasn’t readily available and, if it was, it wasn’t cheap. According to some, to light an average Christmas tree with electric lights before 1903 would have cost $2,000 in today’s dollars.It wasn’t until decades later that Albert Sadacca thrust the lights into the mainstream.