On October 21, 1520, Explorer Ferdinand Magellan and his fleet reached Cape Virgenes after transiting the Strait of Magellan between the Atlantic and Pacific Oceans, thus becoming the first Europeans to sail into the Pacific. — October 21, 1803: English scientist John Dalton read his paper “On the Absorption of Gases by Water and Other Liquids” to the Manchester Literary and Philosophical Society. This was the first outline of his landmark atomic theory. — And on October 21, 1915: The first transatlantic radiotelephone message was transmitted from Arlington, Virginia, to Paris. — SurvivalBlog Writing Contest Today we present another entry … The post Preparedness Notes for Tuesday — October 21, 2025 appeared first on SurvivalBlog.com.