events
The Operation Big Bang, the largest non-nuclear man-made explosion to that time, destroys bunkers and military installations on the North Sea island of Heligoland, Germany.
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Operation Big Bang
1947 destruction of bunkers on Heligoland
Operation Big Bang or British Bang was the explosive destruction of bunkers and other military installations on the island of Heligoland. The explosion used 7400 tons of surplus World War II ammunition, which was placed in various locations around the island and detonated at 1…Source: Wikipedia (CC BY-SA)
April 18
Day of the year
April 18 is the 108th day of the year in the Gregorian calendar; 257 days remain until the end of the year.Source: Wikipedia (CC BY-SA)