(Mao, in the first month, 22), March 4, 1975, the first session of the summit meeting of the Organization of Petroleum Exporting Countries in Algiers.

1975 March 4, 2010 the first session of the summit meeting of the Organization of Petroleum Exporting Countries in Algiers, "Solemn Declaration". The Organization of the Petroleum Exporting Countries (OPEC) was established in September 1960, a total of 14 member states. Since the founding of the Organization of Petroleum Exporting Countries, with Western oil companies to expand the unremitting struggle, increases in crude oil price and oil tax rate. Currently, the vast majority of member states have all or most of the control of the country's oil resources. , Romania, the evening of March 4
1977 a strong earthquake, resulting in the deaths of 1,500 people
this March 8, 1977, relief workers rescued from a destroyed house in the capital of Bucharest downtown an old man. The old man buried for more than three days.