The tailcoat was a common type of formalwear for men in the 18th century. It was a long coat with tails that reached to the knees or below.

The ball gown was the most popular type of formalwear for women in the 19th century. It was a long, elaborate dress that was often worn to balls and other formal events.

The morning suit was a common type of formalwear for men in the early 20th century. It was a tailcoat with a matching waistcoat and trousers.

The flapper dress was the most popular type of formalwear for women in the 1920s. It was a short, loose-fitting dress that was often decorated with beads, sequins, or feathers.

The tuxedo was a common type of formalwear for men in the 1930s. It was a black dinner jacket with matching trousers and a bow tie.

The evening gown was the most popular type of formalwear for women in the 1940s. It was a long, elegant dress that was often made of satin, velvet, or lace.

The tuxedo was a common type of formalwear for men in the 1950s. It was a black dinner jacket with matching trousers and a bow tie.

The cocktail dress was the most popular type of formalwear for women in the 1960s. It was a short, simple dress that was often made of silk, chiffon, or lace.

The tuxedo was a common type of formalwear for men in the 1970s. It was a black dinner jacket with matching trousers and a bow tie.

The evening gown was the most popular type of formalwear for women in the 1980s. It was a long, elegant dress that was often made of satin, velvet, or lace.

The tuxedo was a common type of formalwear for men in the 1990s. It was a black dinner jacket with matching trousers and a bow tie.

The cocktail dress was the most popular type of formalwear for women in the 2000s. It was a short, simple dress that was often made of silk, chiffon, or lace.

The tuxedo was a common type of formalwear for men in the 2010s. It was a black dinner jacket with matching trousers and a bow tie.

The cocktail dress is the most popular type of formalwear for women in the 2020s. It is a short, simple dress that is often made of silk, chiffon, or lace.