According to Henry Looks “After 13th century Renaissance and its consequences is the development of the cultural changes that had spread to Europe till 1600 AD”. According to Sabine “Renaissance is a collective expression that was used in end of Medievalage and beginning of modem age which were visible for all intellectual changes”.
As per the above given definitions it seems from medieval age to modern age, by curiosity and education the development by phases of change in ideas and knowledge of science, agriculture, industry, art, literature and culture is called Renissiance.