Saccharin is accidentally discovered, the 22nd Amendment is ratified, Michael Jackson wins his first Grammy, and Mister Rogers dies, all on this day.
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Library of Congress
1860: Abraham Lincoln makes a speech at Cooper Union in New York City that is largely responsible for his success in running for president later that year. Lincoln argued that the Founding Fathers had little use for popular sovereignty and had repeatedly sought to restrict slavery and that the moral foundation of the Republican Party required opposition to slavery.