17 December - Sunday
St. Barbara's Day the Great Martyr. In the national calendar - Varvariny frosts.
The holiday of the fans.
Holiday of morning illusions.
Day of Strategic Missile Forces.
Day of the staff of the courier service.
Day of bathing flotillas.
Day of protection of sex workers from violence and cruelty.
National maple syrup day - USA.
1903 in the United States took place the world's first flight of an airplane.