Verify that what exactly is false? It literally says that:
"The term is used to describe the events of the 1948 Palestine war in Mandatory Palestine as well as Israel's ongoing persecution and displacement of Palestinians"
> The Nakba (Arabic: النَّكْبَة, romanized: an-Nakba, lit. 'the catastrophe') is the Israeli ethnic cleansing[14] of Palestinian Arabs through their violent displacement and dispossession of land, property, and belongings, along with the destruction of their society and the suppression of their culture, identity, political rights, and national aspirations.