Today in history, Ferdinand Magellan (see picture below) discovers Guam in 1521.
Today in history, The Missouri Compromise is enacted by Congress and signed by President James Monroe, providing for the admission of Missouri into the Union as a slave state, but prohibiting slavery in the rest of the northern Louisiana Purchase territory in 1820.
Today in history, Giuseppe Verdi’s opera La traviata (see picture below) premieres in Venice in 1853.
Today in history, Aspirin is patented following Felix Hoffman’s discoveries about the properties of acetylsalicylic acid in 1899.
Today in history, The Swiss grant women the right to vote in municipal elections in 1960.
Today in history, The United States announces that it will send 3,500 troops to Vietnam in 1965.