Struggle for Freedom and Democracy Day is a public holiday celebrated in the Czech Republic and Slovakia on November 17. It commemorates two historical events that occurred on this day: the student demonstration against Nazis in 1939 and the beginning of the Velvet Revolution in 1989.
Presidents' Day is a public holiday in the Marshall Islands celebrated on November 17. The date was chosen because it coincides with the birthday of the country's first president, Amata Kabua, who was elected for consecutive terms and served from 1979 until his death in 1996.
International Students' Day is observed on November 17 every year. The first celebration was held in 1941 in London by the International Students' Council. For years, numerous students groups have been lobbying to make the day an official UN observance, but they have not succeeded yet.
World Prematurity Day (WPD) is an annual observance held on September 17 to raise awareness of the global problem of preterm birth. The first international awareness day for preterm birth was observed in 2009, it has been celebrated as WPD since 2011.
World Philosophy Day is celebrated every year on the third Thursday in November. Celebration of this holiday is supported by UNESCO, that initiated it in 2002.