The Romans were not inventors of the supporting arch, but its extended use in vaults and intersecting barrel shapes and domes is theirs.
Borne out of this, starting around the 17th Century was the Baroque era. It is my view that it is one of the architectural peak periods in western civilisation.
From the early days of European migration to America, in the 17th Century, the prototype of buildings was based on English precedent, even if mostly translated into the locally available material in abundance: timber.
After about the first Millennium, Italy was the cradle of Romanesque architecture, which spread throughout Europe, much of it extending the structural daring with minimal visual elaboration.
Architecture is not an inspirational business, it's a rational procedure to do sensible and hopefully beautiful things; that's all.
After World War II great strides were made in modern Japanese architecture, not only in advanced technology, allowing earthquake resistant tall buildings, but expressing and infusing characteristics of traditional Japanese architecture in modern buildings.
The government only makes restrictive rules, they don't show you what to do so you know, OK, here's where we need this many apartments, with open space, playgrounds, kindergartens.
The form language used by the ancient Egyptians in their structures is minimal.