^B{^#!16!22 April^N! Feast day of St Theodore of Sykeon, St Opportuna, St Agipatus I, pope, St Leonides of Alexandria, and Saints Epipodius and Alexander.
^B{1500^B} Portuguese explorer Pedro Cabral claimed Brazil for Portugal. ^B{1662^B} King Charles II granted a charter to the Royal Society of London, which became an important center of scientific activity in England. ^B{1834^B} The South Atlantic island of St Helena was declared a British Crown Colony. ^B{1838^B} The first steamship to cross the Atlantic, the British ship ^I{Sirius^I}, arrived at New York; it made the crossing in 18 days. ^B{1969^B} Sailor Robin Knox Johnston returned to Falmouth after a 312-day solo voyage around the world. ^B{1972^B} The first people to row across the Pacific Ocean, Sylvia Cook and John Fairfax, arrived in Australia; they had been at sea for 362 days.
^B{^I{^#!14!Born ^N}Henry Fielding, English novelist, ^B{1707^B}; Immanuel Kant, German philosopher, ^B{1724^B}; Mme de Staδl, French writer, ^B{1766^B}; Robert Oppenheimer, US physicist who invented the atomic bomb, ^B{1904^B}; Kathleen Ferrier, English contralto, ^B{1912^B}; Yehudi Menuhin, US-born British violinist, ^B{1916^B}; George Cole, English actor, ^B{1925^B}; Jack Nicholson, US film actor, ^B{1937^B}.
^B{^I{^#!14!Died ^N}John Tradescant, English naturalist, ^B{1662^B}; James Hargreaves, English inventor of the spinning jenny, ^B{1778^B}; John Crome, English landscape painter, ^B{1821^B}; Thomas Rowlandson, English caricaturist, ^B{1827^B}; Henry Campbell-Bannerman, British politician, ^B{1908^B}.