If you ask about the early Christian mosaics - the saints were usually presented on a golden background. For example in the St. Catherine's Monastery from 6th century in Egypt, all the Saints, and Jesus were all presented on a golden background
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The full name for our year is 2020 A.D., which stands for Anno Domini or "in the year of our Lord". This began at the birth of Christ. So, when we say we're in the year 2020, what we're really saying is that it's been 2020 years since the birth of Christ.
The Intolerable Act (1774) passed by the British Parliament was a response to the Boston Tea Party (1773)~
