17 maggio 1900

• Constitution Day (Nauru)
  17 maggio
• International Day Against Homophobia, Transphobia and Biphobia
  17 maggio

17 maggio 1900 is the 137^th day of the year 1900 in the Gregorian calendar.
The day of the week is Thursday. There are 228 days remaining until the end of this year.
Chinese New Year 1900 will be from 31 gennaio to 14 febbraio,
Muslim New Year - 30 aprile,
Jewish New Year, or Rosh Hashanah - from 24 settembre to 25 settembre.