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VERSION:2.0
PRODID:-//Celebration Nation//EN
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UID:cn-6444@celebrationnation.com
DTSTAMP:20261019T234501Z
DTSTART;VALUE=DATE:20260621
RRULE:FREQ=YEARLY;BYMONTH=6;BYMONTHDAY=21
SUMMARY:World Hydrography Day
DESCRIPTION:Ideas\, posters and history: https://celebrationnation.com/celebrations/world-hydrography-day/
URL:https://celebrationnation.com/celebrations/world-hydrography-day/
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