General purpose of this lecture is to present on Islam: History, Values and Culture. Here Introductory Remarks on Historical overview. This lecture briefly describe on Islam as a monotheistic religion: the Quran; God or Allah; pillars and values; social code and reforms; relation with other faiths; the Sunni and Shiha sects. Here also briefly describe on the Four Elected Successors (Caliphs) and the Abbassides Dynasty, 750-1258.