1907
The Indigenous peoples in Venezuela, like many ancient societies already utilized crude oils and asphalts from petroleum seeps, which ooze through the ground to the surface, in the years before the Spanish conquistadors. The thick black liquid, known to the locals as mene, was primarily used for medicinal purposes, as an illumination source, and for the caulking of canoes.
Upon arrival in the early 16th century, the Spanish conquerors learned from the indigenous people to use the naturally occurring bitumen for caulking their ships as well, and for treating their weapons. The first documented shipment of petroleum from Venezuela was in 1539 when a single barrel of oil was sent to Spain to alleviate the gout of Emperor Charles V.
Read more about this topic: History Of The Venezuelan Oil Industry, Pre-discovery Years