The pangram “Pchnąć w tę łódź jeża lub ośm skrzyń fig” (To push a hedgehog or eight boxes of figs into that boat) highlights a few of the language-specific diacritical marks, such as L with stroke (ł) and ogoneks (ą, ę) necessary to write in Polish—demonstrating how a writing system can accommodate many languages with thorough character inclusion.
Source: wiktionary