 The pace of change accelerated considerably in the following century, and women's and men's fashion, especially in the dressing and adorning of the hair, became equally complex.Art historians are, therefore, able to use fashion with confidence and precision to date images, often to within five years, particularly in the case of images from the 15th century.Initially, changes in fashion led to a fragmentation across the upper classes of Europe of what had previously been a very similar style of dressing and the subsequent development of distinctive national styles.