Worldwide
International Day for Underwater Cultural Heritage
History rests beneath the waves.
Today

When is International Day for Underwater Cultural Heritage?
Every year on August 21.
What is International Day for Underwater Cultural Heritage?
UNESCO marks 21 August to protect shipwrecks, sunken cities and other heritage under the sea. Türkiye's coasts, home to the Uluburun wreck, hold some of the oldest.
Source: UNESCO ↗
How to celebrate
Mark the day with a poster made in Dayfeed — pick your favourite photo as the background, share it to your story or group chat, and set a reminder so you never miss it next year.
Hashtags
- #UnderwaterHeritage
- #Shipwrecks
Try it: save this day's poster to your Pinterest board.
This is the International Day for Underwater Cultural Heritage poster, made with Dayfeed. Pin it to your board — no app needed.
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