It was about 1597. Hope this helps. :)
Hello!!
I had this exact question on a test at my school so I know that having to remember what everything is called is difficult sometimes.
Your answer would be Retrograde.
I hope that this helps!!
Corbel dome: arch like construction method to span a space or void in a structure such as a entryway.
Tholos: Beehive like tomb; Burial structure made out of mud bricks and stones.
Rotunda: Round building or dome.
