The Âu Lạc kingdom — forged by the Thục dynasty's King An Dương Vương from the union of the Âu Việt and Lạc Việt peoples — built Southeast Asia's most sophisticated ancient citadel at Cổ Loa before betrayal delivered it to the Chinese.
Âu Lạc kingdom — established by King An Dương Vương around 257 BCE through the unification of the Âu Việt mountain people and the Lạc Việt delta communities, its capital at Cổ Loa near modern Hanoi featuring a triple-ringed spiral earthwork fortress whose engineering sophistication remains one of ancient Southeast Asia's most remarkable military constructions. The kingdom's fall to Triệu Đà's treachery — achieved through his son Trọng Thủy's marriage to An Dương Vương's daughter Mỵ Châu, who unknowingly revealed the secret of the divine crossbow, her father killing her in grief before fleeing to the sea — became Vietnam's most morally complex founding legend, its lesson about love, loyalty, and national vigilance retold in every generation as a warning that external enemies exploit internal trust. This interactive sweatshirt connects you to that Cổ Loa fortress legacy and Âu Lạc Vietnamese heritage with a QR code linking to the full story.
HERITAG is a purpose-driven brand that celebrates cultural diversity and awareness. Wear and share your social identity and cultural heritage with a unique collection of interactive sweatshirts that carry historical flags of Vietnam. Create informative and fun moments by inviting people to scan the visible QR code and learn about the proud history of Vietnam.
Making products on demand instead of in bulk also helps reduce overproduction, and this quality sweatshirt is made especially for you as soon as you place an order.
Few more things to know about this sweatshirt: • Scannable QR code printed on the back for an interactive and fun experience • Designed to educate about a nation's proud history milestones and rich culture • Custom print-on-demand • 50% cotton, 50% polyester • Unisex regular fit, sturdy and warm, pre-shrunk soft-feel fabric • Double-needle stitched spandex collar, shoulders, armholes, cuffs, and hem
