20th April 1965: Houston Astrodome’s skylight windows painted to reduce glare from the sun
Painting the windows of the Astrodome significantly improved the situation for the players, but in turn led to the grass inside dying from a lack of light. It was replaced with an artificial alternative, which became known as ...
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19th April 1775: The Battles of Lexington and Concord mark the beginning of the American Revolutionary War
As the British troops arrived in Lexington, they encountered a small group and, although the exact events that unfolded are unclear, a shot was fired that initiated the first skirmish of the American Revolutionary ...
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18th April 1942: The Doolittle Raid marks the first American air operation to strike the Japanese mainland
The Doolittle Raid saw sixteen B-25 Mitchell bombers demonstrate Japan’s vulnerability to air raids, and forced the Japanese military to divert resources to homeland ...
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17th April 1961: The Bay of Pigs invasion launched by Brigade 2506
The Bay of Pigs Invasion was launched by the CIA-sponsored paramilitary group Brigade ...
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16th April 1746: The Battle of Culloden takes place near Inverness, Scotland, ending the Jacobite Rising of 1745
Culloden was the last pitched battle fought on British soil and the defeat ended Jacobite hopes of restoring the Stuart monarchy to the ...
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15th April 1861: President Abraham Lincoln calls for 75,000 volunteer soldiers to suppress the growing insurrection in the southern states
Lincoln’s call for volunteers was part of his effort to maintain the authority of the federal government after several southern states seceded from the ...
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14th April 70 CE: Titus begins the Siege of Jerusalem
The future Roman Emperor Titus began the Siege of Jerusalem, during which the Second Temple was burned and ...
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13th April 1953: Project MK-Ultra human experimentation program granted approval by Allen Dulles, Director of the CIA
MKUltra was established during the Cold War to explore ways to manipulate human behaviour using drugs, hypnosis, psychological conditioning, and other ...
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