 The production has its roots in history – in 1827 the Pasha of Egypt, Muhammad Ali, sent a giraffe as a gift to King Charles X of France.
<clarity>  The production has its roots in history – in 1827 the Pasha of Egypt, Muhammad Ali, sent a giraffe as a gift to King Charles X of France.
 The production was based on historical events: in 1827 the Pasha of Egypt, Muhammad Ali, sent a giraffe as a gift to King Charles X of France.