Categories: Important Days

World Hydrography Day: 21st June

World Hydrography Day is observed globally on 21st June every year. This day was adopted by the International Hydrographic Organization (IHO) as an annual celebration to publicise the work of hydrographers and the importance of hydrography.

World Hydrography Day 2020 theme is “Hydrography enabling autonomous technologies”.

Click Here To Get Test Series For SBI PO 2020

History of World Hydrography Day

The IHO came up with the idea of a World Hydrography Day in 2005, and it was welcomed by the United Nations General Assembly in resolution A/RES/60/30 Oceans and the law of the sea. The date chosen to mark the day is the anniversary of the founding of the International Hydrographic Organization.

Important takeaways for all competitive exams:

  • International Hydrographic Organization (IHO) was the International Hydrographic Bureau (IHB) which was established in 1921.
  • Chairman of International Hydrographic Organization: Shepard M. Smith.
  • Secretary-General of International Hydrographic Organization: Mathias Jonas.
  • Headquarters of International Hydrographic Organization: Monaco.

Find More Important Days Here

Sumit Arora

As a team lead and current affairs writer at Adda247, I am responsible for researching and producing engaging, informative content designed to assist candidates in preparing for national and state-level competitive government exams. I specialize in crafting insightful articles that keep aspirants updated on the latest trends and developments in current affairs. With a strong emphasis on educational excellence, my goal is to equip readers with the knowledge and confidence needed to excel in their exams. Through well-researched and thoughtfully written content, I strive to guide and support candidates on their journey to success.

Recent Posts

Prashant Veer and Kartik Sharma Become Joint Most Expensive Uncapped Players

The IPL Auction 2026 witnessed a historic moment as Prashant Veer and Kartik Sharma emerged…

9 hours ago

Filmfare OTT Awards 2025 Winners List: Black Warrant Emerges Big Winner

The Filmfare OTT Awards 2025, held in Mumbai on December 16, 2025, honoured the finest…

10 hours ago

India Plans New Antarctic Station Maitri II, Completion Target 2032

India is set to expand its polar research footprint with Maitri II, a next-generation research…

11 hours ago

Why Cameron Green’s IPL Pay Is ₹18 Crore, Not ₹25.2 Crore

The IPL mini-auction witnessed history when Australian all-rounder Cameron Green attracted a staggering INR 25.2…

11 hours ago

HDFC Bank Gets RBI Nod to Acquire Up to 9.5% Stake in IndusInd Bank

In an important development in India’s banking sector, HDFC Bank has received approval from the…

11 hours ago

IPL Auction 2026: List of the Top 10 Most Expensive Players in IPL History

The IPL Auction 2026 created history as bidding wars reached unprecedented heights, reaffirming the Indian…

11 hours ago