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Cloche -

The cloche hat was invented in Paris and gained popularity in both Europe and America in the 1920s.

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Cloche -

The fitted, bell-shaped hat was perfect for enjoying life during the Roaring Twenties.

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Pillbox hat -

This classic hat was very popular between the 1930s and the 1960s. Jackie Kennedy was famously a fan!

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Pillbox hat -

But it looks like its elegance is still appealing to this day. Kate Middleton approves!

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Cartwheel hat -

This flying saucer-type hat became popular in the 1930s.

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Cartwheel hat -

We find it incredibly classy and would love to see women wearing them again. Don't you agree?

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Fascinator -

These originally date back to the 19th century, and gained mass popularity in the 1990s.

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Fascinator -

Inspired by the 1960s cocktail hats, fascinators have become popular among royals.

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Bowler hat -

Dating back to 1849, these hats created in London were a more practical alternative to the top hats of the time.

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Bowler hat -

The bowler hat stood the test of time and actually became quite popular again in the 1950s and 1960s. 

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Phrygian cap -

You're probably familiar with this hat as a symbol of liberty worn during the French Revolution.

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Phrygian cap -

But its origins date back to Roman times, where these hats would symbolize a freed slave.

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Phrygian cap -

Even the Smurfs wore them, so why can't we?

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Boater hat -

These straw hats became popular in the late 19th century. They're often associated with summer and outdoor sports.

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Boater hat -

They're light and cool, and they should definitely make a comeback!

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Tricorne -

These tri-corner hats became popular in the 18th century.

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Tricorne -

The tricorne stood the test of time and is still worn in some formal occasions.

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Hennin -

These tall medieval princess hats were popular among European royalty.

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Hennin -

Vogue used a more modern version in a photo shoot back in the 1960s, but it was not enough to bring the hennin back.

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Deerstalker -

The deerstalker cap was popularized by the fictional private detective Sherlock Holmes.

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Deerstalker -

Despite being used by Sherlock, in real life the cap was more popular in rural areas and was often worn by hunters.

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Bicorne -

These were popular in the late 18th century, and were worn mostly by military and naval officers.

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Bicorne -

It's a truly iconic hat. Napoleon Bonaparte (in)famously wore one.

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Coonskin cap -

The coonskin cap became popular among American settlers during the late 18th century, but Native Americans were wearing them way before that.

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Coonskin cap -

These then became quite unsophisticated, though some people are trying to bring the look back. Hopefully these are now made of faux fur...

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Calash bonnet -

These massive bonnets started to become popular in the late 18th century.

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Calash bonnet -

Here's one worn by Queen Victoria, circa 1850-1860.

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Balmoral bonnet -

This traditional Scottish hat is traditionally worn as part of the Highland dress. It was named after Queen Victoria's estate, Balmoral Castle.

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Balmoral bonnet -

The Balmoral bonnet is also used as part of some military uniforms. Here is Prince Edward wearing one.

See also: All of the royal wedding's hilarious headgear

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