What is typically associated with a "golden age" in a civilization's history?

• The "golden age" in a civilization's history is typically associated with - Cultural flourishing and achievements.

• Golden age
English Meaning: a period of time, sometimes imaginary, when everyone was happy, or when a particular art, business, etc. was very successful. 
Bangla Meaning: স্বর্ণযুগ / সুখের সময়।

Example Sentence: She was an actress from the golden age of the cinema. 
Bangla Meaning: তিনি চলচ্চিত্রের স্বর্ণযুগের একজন অভিনেত্রী। 

Source: Website Lecture.