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Anniversary of the Soviet invasion of Poland 2026
Anniversary of the Soviet invasion of Poland is an observance in Poland — a recognized day, not a public day off, observed on Thursday, Sep 17, 2026.
- Type
- Observance
- Date
- Sep 17, 2026
- Day of week
- Thursday
- Day off
- No
Take the Friday after off for a four-day weekend.
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September
2026Mon
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- Tue 1🇵🇱Anniversary of the outbreak of the Second World War in Polandobservance
- Thu 17🇵🇱Anniversary of the Soviet invasion of Polandobservance
- Wed 30🇵🇱Boy's Dayobservance