when the ottomans left at the beginning of world war i in 1915, the british and ottomans recognized sheikh abdullah bin jassim al-thani as the ruler. the al thani family had lived in qatar for 200 years. the 1916 treaty between the united kingdom and sheikh abdullah was similar to those entered into by the british with other persian gulf principalities. under it, the ruler agreed not to dispose of any of his territory except to the u.k. and not to enter into relationships with any other foreign government without british consent. in return, the british promised to protect qatar from all aggression by sea and to lend their good offices in case of a land attack. a 1934 treaty granted more extensive british protection."background note: qatar". u.s. department of state (june 2008). this article incorporates text from this source, which is in the public domain. in 1935, a 75-year oil concession was granted to the qatar petroleum company, a subsidiary of the iraq petroleum company, which was owned by anglo-dutch, french, and u.s. interests. high-quality oil was discovered in 1940 at dukhan, on the western side of the qatari peninsula. however, the start of world war ii delayed exploitation of qatar's oil resources, and oil exports did not begin until 1949. during the 1950s and 1960s gradually increasing oil revenues brought prosperity, rapid immigration, substantial social progress, and the beginnings of qatar's modern history. when the u.k. announced a policy in 1968 (reaffirmed in march 1971) of ending the treaty relationships with the persian gulf sheikdoms, qatar joined the other eight states then under british protection (the seven trucial sheikdomsâthe present united arab emiratesâand bahrain) in a plan to form a union of arab emirates. by mid-1971, as the termination date of the british treaty relationship (end of 1971) approached, the nine still had not agreed on terms of union. accordingly, qatar declared independence as a separate entity and became the fully independent state of qatar on september 3, 1971. in february 1972, the heir apparent, sheikh khalifa bin hamad al thani, deposed his cousin, ahmed bin ali al thani, and assumed power. key members of the al thani family supported this move, which took place without violence or signs of political unrest. on june 27, 1995, the deputy emir, sheikh hamad bin khalifa, deposed his father khalifa bin hamad in a bloodless coup. an unsuccessful counter-coup was staged in 1996. the emir and his father are now reconciled, though some supporters of the counter-coup remain in prison. the emir announced his intention for qatar to move toward democracy and has per
History_of_Qatar