1. Ancient Times: Oil seeps and natural springs have been known and used for thousands of years for various purposes, such as lighting and waterproofing. However, the systematic extraction and commercial use of oil as a resource is a relatively recent development.
2. 17th Century: Early exploration and drilling for oil began in the mid-17th century in Baku, Azerbaijan, where oil seeps were used for medicinal and industrial purposes.
3. 1846: The first commercially successful oil well was drilled in Baku, Azerbaijan, by the Russian company Branobel Brothers. This marked the beginning of the modern oil industry.
4. 1859: Edwin L. Drake drilled the first commercially successful oil well in the United States in Titusville, Pennsylvania. This event triggered the rapid expansion of the oil industry in the U.S. and marked the start of the oil boom in the late 19th century.
5. Early 20th Century: Significant oil discoveries were made in various regions around the world during the early 20th century, including in the Middle East (Saudi Arabia, Iran, etc.) and South America (Venezuela, etc.), which led to the emergence of major oil-producing nations.
It's important to note that these are a few key milestones in the history of oil discovery, and there were many other discoveries and advancements that contributed to the development of the global oil industry.