Science Frank

Science, engineering, history and anything else I find interesting.

[Science Frank @ScienceFrankOff]

Today in history
1065 The Great German Pilgrimage (a large pilgrimage to Jerusalem which took place a generation before the First Crusade) is rescued by the Fatimid governor of Ramla, after being under attack by Bedouins for three days

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Today in science:
1802 Heinrich Wilhelm Matthäus Olbers discovers 2 Pallas, the second asteroid ever to be discovered

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1566 The foundation stone of Valletta, Malta's capital city, is laid by Jean Parisot de Valette, Grand Master of the Sovereign Military Order of Malta

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Today in history
193 After killing Pertinax, his Praetorian Guards auction off the throne to Didius Julianus
1809 Peninsular War: Battle of Medellín: France defeats Spain
1854 Crimean War: France and UK declare war on Russia
1860 First Taranaki War: The Battle of Waireka begins

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Today in history
1309 Pope Clement V imposes excommunication and interdiction on Venice
1809 Peninsular War: Battle of Ciudad Real: Franco-Polish force defeats Spain
1886 Apache Wars: main phase ends, Geronimo surrenders
1899 Philippine–US War: Battle of Marilao River: US victory

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Today in history
1169 Saladin becomes the emir of Egypt
1344 Siege of Algeciras: one of the first European battles with gunpowder, ends
1351 Combat of the 30: 30 Breton knights defeat 30 English knights
1885 Métis people of Saskatchewan begin the North-West Rebellion vs Canada

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I've seen many farmers change their mind about the usefulness of roosters, increasing the number they keep in the flock. They might fight one another regularly, but they band together in case of external threats. They can even chase away foxes.

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@buitengebieden I've seen many farmers change their mind about the usefulness of roosters, increasing the number they keep in the flock. They might fight one another regularly, but they band together in case of external threats. They can even chase away foxes.

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Today in science & academia
1655 – Saturn's largest moon, Titan, is discovered by Christiaan Huygens
1811 – Percy Bysshe Shelley is expelled from the University of Oxford for publishing the pamphlet The Necessity of Atheism

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Today in tech
1807 The Swansea and Mumbles Railway, then known as the Oystermouth Railway, becomes the first passenger-carrying railway in the world.

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Today in history
410 The Southern Yan dynasty ends after being defeated by the Jin dynasty
421 Venice is founded
1410 The Yongle Emperor defeats khan Bunyashiri in his first campaign against the Mongols
1770 Daskalogiannis leads the first Greek uprising against Ottoman rule

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Today in history
1199 English King Richard I is wounded by a crossbow bolt in war
1387 100 Years' War: Battle of Margate: English victory over a Franco-Castilian-Flemish fleet
1401 Turco-Mongol emperor Timur sacks Damascus
1603 Tokugawa shogunate begins
1869 Tītokowaru's War ends

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Today in tech
1857 – Elisha Otis's first elevator is installed. Otis installed the first commercial elevator in the five-story EV Haughwout Building at the corner of Broadway and Broome Street in New York City, where it began operation on March 23, 1857.

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Today in history
1568 French Wars of Religion: 2nd phase ends with the Peace of Longjumeau
1801 Tsar Paul I is struck with a sword, strangled, trampled to death
1821 Greek War of Independence: fall of Kalamata
1885 Sino-French War: Battle of Phu Lam Tao: Chinese victory

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Courtship dance of the peacock spider
📹 Michael Lun / wa_peacock_jumping_spiders

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A pangolin being groomed in places it can't reach by itself

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Today in history
235 Roman emperor Severus Alexander is murdered
1621 The Plymouth Colony signs a peace treaty with Massasoit
1792 Haitian Revolution: Battle of Croix-des-Bouquets: black slaves' victory
1916 Yuan Shikai abdicates as Emperor of China, returning to the Presidency

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Today in history
1801 Battle of Alexandria: British victory against France
1814 Napoleonic Wars: Battle of Arcis-sur-Aube: French defeat by Austria
1871 Otto von Bismarck is appointed Chancellor
1919 The Hungarian Soviet Republic is established (1st Communist State in Europe)

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Today in history
673 Emperor Tenmu of Japan assumes the throne
1600 The Linköping Bloodbath takes place in Sweden
1602 The Dutch East India Company is established
1815 After escaping from Elba, Napoleon enters Paris with an army of 340,000, beginning his "Hundred Days" rule

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It looks like it has legs!

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A beluga whale from the bottom