Columbus Day "Cristoforo Colombo" naming after him many civilian and military ships, like the ocean liner SS "Cristoforo Colombo". Since 1987, Spain has celebrated the anniversary of Columbus's arrival in the Americas as its "Fiesta Nacional" or "National Day." Previously Spain had celebrated the day as "Día de la Hispanidad", emphasizing Spain's ties with "Hispanidad", the international Hispanic community. In 1981 a royal decree established the "Día de la Hispanidad" as a national holiday. However, in 1987 the name was changed to "Fiesta Nacional", and October 12 became one of two national celebrations, along with Constitution Dayon December 6. Spain's "national day"
Columbus Day organization, the Knights of Columbus. Some anti-Catholics, notably including the Ku Klux Klan and the Women of the Ku Klux Klan, opposed celebrations of Columbus or monuments about him because they thought that it increased Catholic influence in the United States, which was largely a Protestant country. By far the more common opposition today, decrying both Columbus' and other Europeans' actions against the indigenous populations of the Americas, did not gain much traction until the latter half of the 20th century. This opposition was led by Native Americans and expanded upon by left-wing political parties, though it has become more