In 1795, ethylene gas was called olefin gas. The first synthesis of ethylene gas compounds (dichlor and ethane) was performed in 1795 by a Dutch chemist. In the middle of the 19th century, because C2H4 had a lower hydrogen than C2H5 ethyl, suffixes (ene) of Greek origin were added to the end of ethyl, and after that olefin gas is called ethylene gas.

Lebanon is an Asian country on the shores of the Mediterranean Sea with a history of several thousand years of civilization. The region was one part of the Levant and became an independent state after the collapse of the Ottoman Empire. The majority of the population is Muslim. Several tribes are living in Lebanon. About 30% of the country's population is Shiite.