User:Itai
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![]() | This user is a translator from Hebrew to English on Wikipedia:Translation. |
![]() | This user is a translator and proofreader from Hebrew to English on Wikipedia:Translation. |
Wikipedia:Selected anniversaries/April 20
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My Wikipedia time is limited at the moment, but I'm still around.
- ... that the Jesus Guy (pictured) does not portray Jesus, nor does he claim to be Jesus?
- ... that the Sasradilaga rebellion in 1827–1828 devastated the Javanese town of Rajekwesi, causing it to be rebuilt under the new name of Bojonegoro?
- ... that ROLM's first product was a military computer, even though Robert Maxfield was the only one of its four co-founders with computer experience?
- ... that up to forty greater bamboo bats will roost in a single bamboo shoot?
- ... that a former street musician's villa was used for high-society gatherings in Chișinău before the Russian Revolution?
- ... that the Union Navy, despite being embroiled in the American Civil War, built the Wampanoag-class frigates for a planned war against Great Britain?
- ... that eight horses ridden by rebel commander Sentot Prawirodirdjo were killed during the Java War?
- ... that Pope Sixtus IV gave the Montalto Reliquary to his home town in 1586?
- ... that during a Game Developers Conference showcase of #IDARB, people were "blown away by how stupid it was"?
Trou au Natron is a volcanic caldera in the Tibesti Massif in northern Chad. The volcano is extinct, and it is unknown when it last erupted. Trou au Natron is located just south-east of Toussidé, the westernmost volcano of the Tibesti Mountains. The caldera has an irregular diameter of approximately 6 to 8 kilometres (4 to 5 miles) and is up to 1,000 metres (3,300 ft) deep. Because of its irregular shape, it has been theorized that the caldera was formed as a result of multiple massive explosions, each of which deepened the enormous pit. Its exact period of formation is unconfirmed, although a Pleistocene formation has been suggested. Much of the surface of the caldera is lined with a white crust of carbonate salts such as sodium carbonate and natrolite, known as natron, leading to the caldera's name, literally 'hole of natron' in French. This crust is sometimes known as the Tibesti Soda Lake. Both the slopes and the floor of the caldera contain thick layers of fossilized aquatic gastropods and diatoms, indicating that it was once home to a deep lake. This satellite image of Trou au Natron was taken in 2008 from the International Space Station, at an altitude of around 352 kilometres (219 miles). The white crust can be seen at the bottom of the caldera.Photograph credit: NASA
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9 April 2025 |
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