Oil rig Deepwater Horizon is declared sealed:
Thought to be one of the biggest accidents in the oil and gas industry, the Deepwater Horizon spill began on April 20, 2010, when an explosion destroyed the rig and killed 11 people.

A Military coup overthrows the elected government in Thailand:
Forces loyal to General Sonthi Boonyaratglin overthrew the elected government of Prime Minister Thaksin Shinawatra and dissolved the parliament and the constitution.

Saint Kitts and Nevis gain their Independence from the British Crown:
The first Europeans set foot on the Island country in the West Indies in the late 15th century during an expedition led by Columbus.