Fifty years ago today, on March 4, 1975 (January 22, 1975 in the lunar calendar), the first Summit of the Organization of Petroleum Exporting Countries was held in Algiers. On March 4, 1975, the first Summit of the Organization of Petroleum Exporting Countries was held in Algiers and the "Solemn Declaration" was adopted. The Organization of Petroleum Exporting Countries was established in September 1960 and currently has 14 member states. Since the establishment of the Organization of Petroleum Exporting Countries, it has launched unremitting struggles with Western oil companies and raised crude oil prices and oil tax rates many times. At present, the vast majority of member states have all or most control of their own oil resources. On the evening of March 4, 1977, a strong earthquake struck Romania, killing 1500 people. On March 8, 1977, relief workers rescued an old man from a destroyed house in the downtown area of the capital Bucharest. The old man was buried for more than three days.