Read the below given passage carefully and answer question from strictly as per the content of the paragraph:
During 1896 Modern Olympic Games, Physical Education was given a new shape. The "Age" of games training started around 1850 AD. The time 1859 to 1900 AD was known as display trick- art period, because during this period there were no Physical Education teachers or games coaches. The profession of games coaching started around the year 1920, when professional coaches and Physical Education teachers entered the field of games. During this period, self experience of the players and instructors/coach was used to be the main guiding line. Scientific and organised games training period started from the year 1940 AD, and up to the year 1960 AD, Games training methods, patterns policies and systems got indirect changes and refineness. It was during this period that physical education was established as a profession and got assistance from scientific methods and Principles of Physical Education were established. Today, Physical Education is a respected subject and profession, because it has passed through successfully, all those tests which are required by any subject for getting recognition as a professional subject.