Columbus Day in Denver. The first statewide holiday was proclaimed by Colorado governor Jesse F. McDonald in 1905, and it was made a statutory holiday in 1907. In April 1934, as a result of lobbying by the Knights of Columbus and New York City Italian leader Generoso Pope, Congress and President Franklin Delano Roosevelt proclaimed October 12 be a federal holiday under the name Columbus Day. Since 1971 (Oct. 11), the holiday has been attributed to the second Monday in October, coincidentally exactly the same day as Thanksgivingin neighboring Canada since 1957. It is generally observed nowadays by banks, the bond market,
Pan American Day celebrated as Columbus Day in the United States. In the United States, Pan American Day is observed by Presidential proclamation on April 14. In addition, the entire week on which the holiday falls is observed as Pan American Week. On April 7, 2017, President Donald Trump proclaimed "Pan American Day" and Pan American Week on April 7, 2017. Pan American Day Pan American Day is a holiday observed by several countries in North and South America. It commemorates the First International Conference of American States which concluded on April 14, 1890, creating the International Union of American Republics, the forerunner