Settlements are formed along the coast of present day Qatar because of the emergence of pearling and trading.
The Ottoman Empire enters the country and occupies it until the beginning of World War I.
A treaty is signed between the United Kingdom and Sheikh Abdullah in which Britain promises the country protection and Qatar allows Britain to control its foreign policy.
High-quality oil is discovered on the western side of the Qatari peninsula, although the start of World War II delays any drilling until 1949.
Gradually increasing oil revenues bring prosperity, rapid immigration, and substantial social progress to Qatar.
Qatar declares full independence from Britain after talks with eight other Arab states about forming a federation fall through.
The Deputy Amir, Sheikh Hamad bin Khalifa, deposes his father Amir Khalifa in a bloodless coup. He announces his intentions to move Qatar toward democracy and a freer press.
Qatar and the United States agree to a joint project to construct the world’s largest liquefied natural gas plant.
Qatar and Dubai become the two biggest shareholders of the London Stock Exchange, a sign of the country's prosperity.
Diplomatic relations are restored between Qatar and Saudi Arabia and a long standing border dispute is also resolved.
Qatar, the only Gulf state that had trade relations with Israel, ends the trade relationship after an Israeli offensive against Gaza.