Hat Revolution in the context of "Top-hat"

A top hat (also called a high hat, or, informally, a topper) is a tall, flat-crowned hat traditionally associated with formal wear in Western dress codes, meaning white tie, morning dress, or frock coat. Traditionally made of black silk or sometimes grey, the top hat emerged in Western fashion by the end of the 18th century. Although such hats fell out of fashion through the 20th century, being almost entirely phased out by the time of the counterculture of the 1960s, it remains a formal fashion accessory. A collapsible variant of a top hat, developed in the 19th century, is known as an opera hat.

Perhaps inspired by the early modern era capotain, higher-crowned dark felt hats with wide brims emerged as a country leisurewear fashion along with the Age of Revolution around the 1770s. Around the 1780s, the justaucorps was replaced by the previously casual frocks and dress coats. With the introduction of the top hat in the early 1790s, the tricorne and bicorne hats began falling out of fashion. By the start of the 19th century, the directoire style dress coat with top hat was widely introduced as city wear for the upper and middle classes in all urban areas of the Western world. The justaucorps was replaced in all but the most formal court affairs. Around the turn of the 19th century, although for a few decades beaver hats were popular, black silk became the standard, sometimes varied by grey ones. While the dress coats were replaced by the frock coat from the 1840s as conventional formal daywear, top hats continued to be worn with frock coats as well as with what became known as formal evening wear white tie. Towards the end of the 19th century, whereas the white tie with black dress coat remained fixed, frock coats were gradually replaced by morning dress, along with top hats.

The fez (Turkish: fes, Ottoman Turkish: فس, romanized: fes), also called tarboosh/tarboush (Arabic: طربوش, romanized: ṭarbūš), is a felt headdress in the shape of a short, cylindrical, peakless hat, usually red, typically with a black tassel attached to the top. The name "fez" may refer to the Moroccan city of Fez, where the dye to color the hat was extracted from crimson berries. However, its origins are disputed.

The modern fez owes much of its popularity to the Ottoman era. It became a symbol of the Ottoman Empire in the early 19th century. In 1827, Mahmud II mandated its use as a modern headdress for his new army, the Asakir-i Mansure-i Muhammediye. The decision was inspired by the Ottoman naval command, who had previously returned from the Maghreb having embraced the style. In 1829, Mahmud issued new regulations mandating the use of the fez by all civil and religious officials. The intention was to replace the turban, which acted as a marker of identity and so divided rather than unified the population. A century later, in 1925, the fez was outlawed in Turkey as part of Atatürk's reforms. Since then, it has not been a part of Turkish men's clothing.