Portal:Poland/Did you know/74

... that the Tęcza (pictured), a rainbow arch installation in Warsaw, has been vandalized several times due to anti-LGBT sentiments?
... that an early 18th-century civil war in Poland gave rise to a proverb about a state of division, disorder and anarchy?
... that Berek Lajcher chose a hot summer day to launch a prisoner revolt at the Treblinka death camp while German and Ukrainian guards went swimming in the nearby Bug River?
... that the Biosphere Reserves of Poland include the last and largest remaining mixed deciduous primeval forest on the North European Plain?