<prompt> Translate the following text to EnglishKatika maadhimisho ya miaka kumi ya uhuru wa Ulaya Mashariki, mara nyingi tunataja tukio hilo kwa ufupi kama kuanguka kwa ukuta wa Berlin.  <response>: On the 10 th anniversary of the liberation of Eastern Europe, we often refer to that event in shorthand as the fall of the Berlin Wall. 