Many nations across the world celebrate Teachers' Day. The date is chosen to coincide with World Teachers' Day, that is the UN observance falling on October 5, or the government of the country chooses another date, that is significant for the nation. For instance, Teacher's Day in Sri Lanka is observed on October 6.
The Slovaks annually observe a very important memorial day for their nation Dukla Pass Victims Day on October 6. Observation of this day is connected with the events during World War II, when the Soviet and Czechoslovakian troops managed to capture the Dukla Pass from Nazi Germany.