Instructions: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Input: Nelson Mandela International Day ( or Mandela Day ) is an annual international day in honour of Nelson Mandela , celebrated each year on 18 July , Mandela 's birthday .
Output:
It is celebrated each year on 18 July ( Mandela 's birthday ) .