1892, the Ellis Island Immigrant Station in New York formally opened.In 1913, the U.S. Parcel Post system went into operation.In 1942, 26 countries, including the United States, signed the Declaration of the United Nations, pledging not to make a separate armistice or peace with members of the Axis.In 1953, country singer Hank Williams Sr., 29, was discovered dead in the back seat of his car dur