Mortar / Iron ties / Dome beams / Pressure of pillars and beams
I'm Pretty Sure It Was Middle Ages And Renaissance.
The term "renaissance" was coined in the 19th Century and is considered more of a development of modern science rather than art and culture. Due to the disputed time of when the arts consciously moved forward and the period's characterization of a scientific progression, it seems to be uncertain and controversial as to what it truly can be defined as.
