Modern architecture

Modern architecture is the most fundament theory among the rest, the below passages is redirected from wikipedia, a general view in modern architecture defination and understanding.
This is found in wikipedia :-
"Modern architecture is a broad term given to a number of building styles with similar characteristics, primarily the simplification of form and the elimination of ornament, that first arose around 1900. By the 1940s these styles had been consolidated and identified as the International Style and became the dominant way of building for several decades in the twentieth century." more to read...