in 1886
Egypt
Cancer was first discovered some time in 1500 BC in Egypt
Oil was first discovered in the country of Iran in 1908. This discovery marked the beginning of the modern oil industry in the Middle East.
Egypt was discovered in 9009
Kerosene
1932
The first oil well was discovered in Azerbaijan in 1848.
The best I could find is oil was first discovered in Egypt in 1869 but not put on production until 1910. See related link. I don't know why it took them so long to put it on production. They may have been drilling for water and encountered oil instead- but I don't know this is true. It is possible that there was no real market for oil at the time.
It is believed that cinnamon was one of the first spices to be discovered. Evidence suggests that it was used in ancient Egypt as early as 2000 BC.
While it is unknown who actually discovered oil in Pennsylvania, Colonel Edwin Drake drilled the first oil well there. The year was 1859 and the oil boom began.
Emeralds were first discovered in ancient Egypt around 1500 BCE. They were prized by Egyptian royalty for their brilliance and color as a symbol of fertility and rebirth.
The oil was first discovered in 1963, but they didn't start getting it up before 1966. June 27, 1966, Esso Exploration Norway Inc. got the first oil up from the ocean.