- 1916-11-03 Treaty establishes British suzerainty over Qatar
- 1971-09-03 Qatar regains complete independence from Britain
- 1972-02-22 Khalifa bin Hamad Al Thani becomes Emir & Prime Minister of Qatar
- 1972-10-27 OPEC approves plan providing for 25 percent government ownership of all Western oil interests operating within Kuwait, Qatar, Abu Dhabi and Saudi Arabia
- 1973-10-16 The Gulf Six (Iran, Iraq, Abu Dhabi, Kuwait, Saudi Arabia and Qatar) unilaterally raise the posted price of Saudi Light marker crude-oil by 17 percent
- 1977-05-31 Hamad bin Khalifa Al Thani becomes heir apparent to throne of Qatar
- 1995-06-26 Hamad bin Khalifa al-Thani deposes his father Khalifa bin Hamad al-Thani, the Emir of Qatar, in a bloodless coup.
- 1996-10-30 Exxon confirms that it is in talks with state-owned Qatar General Petroleum Corporation concerning the application of new technology to convert natural gas to petroleum products
- 1997-02-24 Qatar inaugurates the world's largest liquefied natural gas (LNG) exporting facility and formally launches Qatar Liquefied Gas Co.
- 2001-06-15 ExxonMobil and Qatar Petroleum sign a letter of intent for a natural gas to liquids (GTL) project that would be the largest in the world
- 2001-11-13 Doha Round: The World Trade Organization ends a four-day ministerial conference in Doha, Qatar
- 2015-02-01 France defeats Qatar, 25-22 to win the World Men's Handball Championship in Lusail, Qatar
- 2017-02-06 Qatar Airways achieves the longest-ever scheduled commercial flight when its B777 aircraft lands in Auckland after a 16 hour and 23 minutes flight from Doha; surpassed in 2020
- 2017-06-05 Bahrain, Saudi Arabia, the United Arab Emirates, and Egypt sever ties with Qatar, citing its support of terrorist groups, Yemen, the Maldives and Libya follow suit
- 2017-06-23 Saudi Arabia and allies, Egypt, UAE and Bahrain issue list of 13 conditions to Qatar in return for lifting sanctions, including closing Al Jazeera TV
- 2018-11-08 Qatar delivers $15 million in cash to pay civil servants in Gaza after earlier sending fuel to increase electricity from 4 to 8 hours a day
- 2019-01-01 Qatar introduces a 100% tax on alcohol and other "health-damaging goods", doubling the price of alcohol, tobacco, energy drinks and pork in the oil-rich, predominantly Muslim nation
- 2019-01-01 Qatar withdraws from the Organization of the Petroleum Exporting Countries (OPEC) after 57 years of membership
- 1932-09-17 Khalifa bin Hamad Al Thani, Emir of Qatar (1972-95), born in Rayyan (d. 2016)
- 1980-06-03 Tamim bin Hamad Al Thani, Emir of Qatar (2013-present), born in Doha, Qatar