human
When were the first candles made?
gpt
1st century, according to Encyclopedia Britannica.
human
what were they made from?
Wood, and also wax, and other chemicals.  
Apparently beeswax was a favorite material.
Yule candles were candles made of wicks floating in tallow, which was made from animal fat.  The candles were commonly made from tallow, in fact.  The candles used in modern Christmas festivities are now made of paraffin wax.