The shirt first appeared as an underwear worn through the head without shirt buttons on the front. Towards the 1900s, shirt buttons were added to the front and began to be used as a new outfit. In the 1950s, shirt collar was added and long and short sleeve shirts took important steps towards becoming the preferred clothing in many parts of the world. With the introduction of shirt usage, shirt designs, shirt fabric patterns and shirt buttons that complement all the visuals became important in fashion. Although it is mostly classified as short-sleeved and long-sleeved, there are many more classes of shirts. The shirt buttons to be used for each type of shirt also differs from each other.