Jusqu'à combien de semaines Constitution Day - PL?

3rd May National Holiday (also May 3rd Constitution Day: Polish: ?wi?to Konstytucji 3 Maja) is a Polish national and public holiday that takes place on 3rd May. The holiday celebrates the declaration of the Constitution of 3rd May, 1791. Festivities date back to the Duchy of Warsaw early in the 19th century, but it became an official holiday only in 1919 in the Second Polish Republic. See wikipedia for more details.