4 ottobre 1890

• Russian Aerospace Defence Forces Day (Russia)
  4 ottobre

4 ottobre 1890 is the 277^th day of the year 1890 in the Gregorian calendar.
The day of the week is Saturday. There are 88 days remaining until the end of this year.
Chinese New Year 1890 will be from 19 febbraio to 5 marzo,
Muslim New Year - 17 agosto,
Jewish New Year, or Rosh Hashanah - from 15 settembre to 16 settembre.