- ... that Temerl Bergson (pictured), a wealthy businesswoman and benefactress of Hasidic Jews in 19th-century Poland, "distributed money like ashes"?
- ... that the Coexist symbol used on bumper stickers was first published as a 3 m × 5 m (9.8 ft × 16.4 ft) outdoor poster by a Polish artist in a juried exhibition in Jerusalem?
- ... that at the Valletta Summit on Migration, where European and African leaders discussed the European migrant crisis, Poland was only represented by an undersecretary of state due to a clash with the first sitting of the country's new parliament?
- ... that Russian victory at the Battle of Warsaw in 1831 ended the Polish November Uprising?