Historical sources indicate that the Egyptian queen Hatshepsut (1500 BC) was bringing sacred frankincense from northeastern Somalia , and historical sources indicate that the increase in demand for frankincense dates back to the sixth century BC for Greece, the Levant, Iraq and Persia due to the importance of frankincense to the Persian and Roman empires in religious rituals. Frankincense reached Western Europe through the Crusades on the East in the Middle Ages. Some researchers state that frankincense moved to Western Europe from Lebanon. The tree of frankinces are divided into "mahr which was known to the Egyptians as "Punt and the "Yaghr" tree are extracted. The frankincense of the "midi. Incisions are made in the trunks of the trees, and the frankincense exudes as a milk like juice that hardens on exposure to air.