April 26, 1785: John James Audubon, whose paintings and illustration revealed the diversity of American wildlife, is born in Haiti.
April 26, 1822: Landscape architect Frederick Law Olmsted (at right) is born in Hartford, Conn. Olmsted revolutionized landscape design with his work on New York's Central Park, the 1893 Chicago World's Fair, and parks and neighborhoods in Atlanta, Boston and elsewhere. Olmsted spent his last years confined to MacLean Hospital in Belmont, Mass., where he had designed the grounds.
April 26, 1973: On or near this date, a worker at the Michigan Chemical Company mistakenly mixed bags of polybrominated biphenyl (PBB) with animal feed. The error led to a rash of cattle deaths, thousands of reports of human health impacts, the destruction of 30,000 cattle and 1.5 million chickens, a $374 million Superfund cleanup, and the eventual banning of PBB.
April 26, 1989: What some have called the world's deadliest tornado rips through Bangladesh, killing at least 1,200 and leaving another 80,000 people homeless.
Photo: Library of Congress
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