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Hangul was not just another writing system—it was deliberately engineered to make Korean easier to read, write, and learn. This history and language documentary explores how King Sejong of Joseon created Korea’s alphabet in the 15th century, why the existing Chinese-based Hanja system was so difficult for Korean speakers, and how a scholar-king tried to change that.

The video traces the rise of literacy in Korea, the resistance from the yangban elite, and the clever design behind Hangul’s consonants and vowels. It also explains why the script is often mistaken for logographic writing, even though it is an alphabet arranged into syllable blocks. From royal reform to political backlash, this is a sharp, engaging look at Korean history, linguistics, and one of the world’s most efficient writing systems.

Ideal for viewers interested in Korean language, alphabet origins, historical storytelling, educational commentary, and documentary-style history content. It is also a strong fit for anyone searching for Hangul explained, Korean writing system history, King Sejong, Hanja, or language evolution.

SEO: Korean alphabet history, Hangul explained, King Sejong documentary, Korean language history, Hanja vs Hangul, history of writing systems, educational history video, linguistics documentary, Korean script origins, alphabet history

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Transcript
00:00If we look at the various writing systems of the world, we will find thousands of years of messy evolution,
00:07mistranslations, and transcription errors from when the scribes just couldn't read all that well.
00:13That's how we went from Egyptian hieroglyphs 5,000 years ago to the Latin script we all know and love.
00:20But what if I told you that there's an alphabet out there that didn't evolve messily but was rather quite
00:27deliberately engineered from scratch to be linguistically perfect?
00:31Yes, my friends, today we're heading to Korea to explore Hangul, the script that we hear at SideQuest consider to
00:40be the best writing system known to man.
00:43To the untrained eye, the Korean alphabet might appear similar to Chinese, so one might assume that it evolved from
00:51it over the centuries.
00:53That is indeed what happened with Japanese.
00:56Around the 5th century, they took the Chinese writing system, called Hanzi, and adapted it into the kanji that we
01:05know today.
01:06But that is not what happened with Korea, or at least not its current alphabet.
01:11The Koreans had tried to use the Chinese script, creating what is known as Hanja around the 4th century, but
01:19this was at least somewhat done at swordpoint.
01:23Lest we forget, Han China occupied the northern part of the Korean peninsula for nearly 5 centuries, so the Koreans
01:31had plenty of time to study their writing system.
01:34But the Koreans quickly ran into problems with Hanja.
01:38You see, the Korean language is fundamentally different from Chinese, with grammar and sounds that are entirely incompatible.
01:47It would be a bit like trying to write English using Egyptian hieroglyphs.
01:51You could theoretically do it, but it would not be a pleasant experience.
01:55However, since Chinese was the only script in town, the Koreans would use the clunky Hanja system to write their
02:04language for the next 1,000 years.
02:07Every Korean scholar, nobleman and bureaucrat would have to first learn Chinese with its thousands of characters,
02:15and then also learn how to read Korean in the Chinese script.
02:20The result was one of the lowest literacy rates in the world, where only the very top of Korean society,
02:27the aristocratic scholar class known as the Yangban, could read and write.
02:32And the Yangban liked it that way, as their literacy was a prized possession that gave them a total monopoly
02:39on power across the government, military and religion.
02:43So, even by the 15th century, when contemporary states were pushing above 5% literacy among their general population,
02:52Korea was perpetually stuck at 2% through no fault of its own.
02:57This would hardly be a concern for most medieval monarchs, but the Koreans were lucky enough to have a ruler
03:04who was what we would today call an absolute nerd.
03:09King Sojong of Chosen is undoubtedly Korea's wisest king, having spent his entire life in scholarly study across all branches
03:19of knowledge.
03:19He founded Korea's Royal Research Institute, through which he and his followers made great breakthroughs and reforms in everything from
03:29astronomy and medicine to music and agriculture.
03:33It was a set of very unique circumstances that allowed the wise King Sojong to reform Korean society so rapidly.
03:41His father and grandfather had jointly overthrown Korea's previous ruling dynasty, Goryeo, from where the country gets its name.
03:51And in the process of doing so, they had murdered a big chunk of Korea's aristocratic Yangban so that no
03:58one would dare threaten their rule.
04:00So, King Sejong inherited a very stable country with minimal political opposition, allowing him to indulge in his scholarly pursuits
04:10unhindered.
04:11Yet, despite his absolute power, the king was humble and cared deeply for his people.
04:18That's why he wrote an agricultural manual for them, as the ones they had from China weren't suitable for Korea's
04:26climate.
04:26He even built what we might call a printing press, two decades before Gutenberg, to get the manual in the
04:34hands of as many farmers as possible.
04:37Yet, King Sejong knew that the vast majority of his loyal subjects had no way to read his manual.
04:44He was also keenly aware of the great injustices they suffered at the hands of the literate Yangbang, who frequently
04:51abused their knowledge of the law.
04:53And so, sometime around 1440, King Sejong embarked on a grand scholarly quest to invent a new writing system for
05:04the Korean language.
05:05Rather than following the Chinese approach, where every symbol represents a full word or concept, he chose to create an
05:13alphabet of just 28 letters that represent sounds.
05:17To make his new Hangul alphabet easier to learn, he designed the consonants to visually represent what your mouth should
05:26do to make that sound, like small anatomical diagrams.
05:31For example, the letter representing N is shaped like a tongue touching the roof of the mouth, while the letter
05:38for M is shaped like closed lips.
05:41As for the vowels, he based their designs on the fundamental trinity of Confucian philosophy.
05:49A dot representing heaven, a horizontal line representing earth, and a vertical line representing man.
05:57Out of these three building blocks, Sejong designed Hangul's vowels to carry special meaning.
06:03The lighter vowels were positive, facing up or right towards heaven, while the deeper ones were negative, facing down or
06:13left towards earth.
06:15The reason most people think Hangul isn't alphabetic, but logographic like Chinese, is because the letters aren't written out one
06:24by one, like in our familiar Latin scripts, but are rather grouped into syllable blocks.
06:30Each block is made up of a consonant, a vowel, and an optional second consonant.
06:37So, it's still easy to read, but it maintains the visual prestige of Chinese characters.
06:43Then, you just string these blocks together, originally vertically, but nowadays horizontally, and boom, you're writing Korean.
06:52It was a brilliant and simple system, designed to be learned in less than a week compared to the years
07:00needed for Hangul.
07:01What's even more brilliant is that you can learn Korean quickly and easily thanks to our dear friends over at
07:09Lingopie.
07:10I've been absolutely obsessed with Korean dramas lately, and not just the big hits, I'm talking about the shows that
07:18don't make it to Netflix.
07:20With Lingopie, I've been able to watch the best Korean content and learn Korean at the same time.
07:27Gone are the days of boring textbooks or guilt-tripping owl notifications.
07:33Lingopie has interactive subtitles with instant translations and grammar explanations when you click on them.
07:40And everything gets automatically saved to flashcards so you can review later.
07:46When the dialogue gets too fast, you can slow it down or loop specific lines until it clicks,
07:52so I'm finally understanding the jokes and references that make Korean shows so awesome.
07:59Lingopie also works for 12 other languages too, but for Korean specifically, it is exactly what you need.
08:07And as a special courtesy to SideQuest viewers, you can get a 7-day free trial and over 55%
08:14off of their annual subscription if you click on the link below.
08:19Now, unfortunately for King Sejong, he couldn't rely on Lingopie to popularize his new alphabet.
08:26So, he revealed Hangul to his royal court in 1443, but the reception was less than stellar.
08:34The aristocratic Yangban firmly opposed it, as did many of the scholars in the Royal Research Institute he had founded,
08:42mocking Hangul as a script for women or fools.
08:46In 1444, they banded together to write an official petition against Hangul.
08:53They argued that only barbarian nations like the Mongols and the Manchus had their own scripts,
09:00while all civilized Confucian nations used Chinese characters.
09:04When the Chinese learned about Hangul, they would see it as betrayal and would label all Koreans as barbarians,
09:13perhaps even invading Korea to subjugate it.
09:17Now, while going to war over an alphabet might seem extreme, Ming China had already set a precedent by invading
09:24Vietnam a few decades earlier,
09:26supposedly to restore Confucian values, so Korea's scholars were right to be afraid.
09:32But, of course, the real reason the Yangban opposed Hangul was to maintain their power.
09:39If the common people learned how to read, they would realize that they had been getting fleeced for centuries.
09:45King Sejong, however, was not an easy man to debate, and through his intellectual superiority, he stripped his opponents of
09:54all their arguments.
09:56When they continued to persist, he threw them into prison for a single day,
10:01as a thinly veiled threat of what his father had done to his enemies just a few decades prior.
10:07The king and his loyal scholarly followers then compiled a manual for Hangul, completing it in 1446 and publishing it
10:17as widely as possible.
10:19But, unfortunately, King Sejong was a lifelong sufferer of diabetes, and he passed away from poor health just four years
10:27later.
10:28His son and heir was similarly frail and died within two years, leaving an eleven-year-old boy on the
10:36Korean throne.
10:37So, before long, the Yangban had regained their power.
10:41They fought against Hangul for the next fifty years, finally leading to its ban in 1504.
10:48For the next four centuries, Hangul was relegated to the fringes of Korean society, kept alive in private by literate
10:57women and Buddhist monks.
10:59It was only towards the end of the 19th century, when Japan grew increasingly domineering towards Korea,
11:06that Koreans rallied to Hangul as a means to preserve their national identity.
11:12Hangul was made Korea's official script in 1894, but less than a decade later, Japan occupied and annexed Korea,
11:22spending the next thirty years systematically trying to destroy Korean identity and Hangul.
11:28Yet through the brave efforts of Korean scholars and resistance fighters, Hangul survived the Japanese occupation
11:36and remains the official script of both North and South Korea.
11:40Both Koreas have their own national holidays, celebrating Hangul, on different dates, of course,
11:47and linguists around the globe routinely drool over Hangul, praising it as the best writing system on Earth.
11:55In any case, my friends, if you enjoyed our brief linguistic walk through Korean history, consider supporting us on Patreon.
12:04Let us know what other historical curiosities you'd like us to cover,
12:08and stay tuned for the next linguistically logical episode of SideQuest.
12:15Why are Koreans such great architects? They always know their angles.
12:21Why are Isa priests going to make the same close as well?
12:21Let us know about the girls.
12:22Or the girls non-service walks with a young compatriot 내웃ER.

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