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"
Day of the Programmer Day of the Programmer The Day of the Programmer is an international professional day that is celebrated on the 256th (hexadecimal 100th, or the 2th) day of each year (September 13 during common years and on September 12 in leap years). It is officially recognized in Russia. The number 256 (2) was chosen because it is the number of distinct values that can be represented with an eight-bit byte, a value well-known to programmers. 256 is also the highest power of two that is less than 365, the number of days in a common year. This particular day was proposed