North Magnetic Pole Discovered: Ross Finds the Earth's Magnet
In 1831, James Clark Ross staked a claim on Ellesmere Island by confirming the exact spot where Earth's magnetic field plunges straight down, turning a theoretical concept into a measurable location. This discovery forced navigators to abandon simple compass rules for high-latitude travel and established a moving target that now drifts toward Russia at 37 miles per year.
June 1, 1831
195 years ago
Key Figures & Places
What Else Happened on June 1
Der römische Diktator Sulla beendet seinen Rachefeldzug und schließt die Todeslisten (Proskriptionen), denen 4700 Bürger, darunter mindestens 40 Senatoren, zum …
en Shandong (China) se registra un terremoto de magnitud 7 en la escala sismológica de Richter (I=9), desprendimiento de tierra (freshet). Deja un saldo de 6000…
Beim Erdbeben von Zhucheng und Changle in der chinesischen Provinz Shandong sterben der Quelle Han Shu zufolge etwa 6000 Menschen.
en el Imperio romano estalla la guerra civil.
Praetorian guards executed Didius Julianus in his palace just sixty-six days after he purchased the Roman throne at an auction. His violent end cleared the path…
المسلمون بقيادة أبو عبيدة بن الجراح يفتحون مدينة حمص بعد أن حاصروها حصارًا شديدًا فاضطرت المدينة إلى طلب الصلح فكتب المسلمون لأهلها كتابًا بالأمان على أنفسهم وأ…
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