69 عَامًا على النَّكْبَةِ69 years ago, it was the 'Nakba'

Prepositions, حُرُوفُ الْجَرِّ

• ​The most used prepositions in Arabic are: لِ (for), بِ (with), فِي (in), إِلَى (to, until), مِنْ (from, of), عَلَى (on), عَنْ (from).
• A preposition always comes before a noun, never before a verb.
• The noun following a preposition takes the genitive case, الْجَرُّ ; usually marked by a kasra.
  Ex.  مِنْ سُكَّانِ ـ فِي أرْضِ
• Prepositions are attached to the affix pronoun following them. Ex. مِنْـهَا
• Prepositionsب ِ and لِ are attached to the noun following them. Ex. بِـالْقُوَّةِ