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April 20th
An explosion aboard the Deepwater Horizon drilling rig in the Gulf of Mexico -
April 30th
Oil from the leaking well begins washing ashore in Louisiana -
May 19th
Oceanographers say oil from the leak has entered an ocean current -
May 30th
Carol Browner says the spill is the worst environmental disaster in US history, -
June 8
The commander of the US says clean-up of the oil-stricken Gulf could take years. -
June 22nd
A federal judge blocks the Obama administration's six-month moratorium on deepwater oil drilling in the Gulf of Mexico -
July 27th
BP puts oil spill at $32.2 bn -
August 4th
The US government says three-quarters of the oil spilled in the Gulf has been cleaned up or broken down by natural forces -
September 3
The blowout preventer that failed to stop the explosion on the Deepwater Horizon rig is removed from the stricken Gulf of Mexico oil well by BP -
September 19th
The ruptured well is finally sealed and "effectively dead"
