Simplify the following text for a Grade 9 native English-speaking person.
Original: Her celebrity status has been called `` mythical '' and `` monumental , '' and by `` the mid-1780s Siddons was established as a cultural icon . ''
Simplified: Her celebrity status has been called `` mythical '' and `` monumental '' . By `` the mid-1780s Siddons was established as a cultural icon . ''