Origins
The International Hydrographic Bureau was established in 1921 for the purpose of providing a mechanism for consultation between governments on such matters as technical standards, safe navigation and the protection of the marine environment. In 1970 the name was changed to thePurpose
World Hydrography Day was adopted, in the words of the UN, with the aim of: Translation of this aim through World Hydrography Day is achieved by the nomination of a theme for each year's celebration. Once a theme is agreed, the IHO Member States, international and national hydrographic organisations and services develop activity programs and events that highlight the annual theme.Commemoration
A theme for each World Hydrography Day is determined by the Member States of the International Hydrographic Organization and is intended to promote the importance of hydrography internationally, multilateral cooperation and effective collaboration in data exchange, charting and standards development. The theme for 2022 is: ''"Hydrography - contributing to the United Nations Ocean Decade"'' Previous themes were: *2022: Hydrography - contributing to the United Nations Ocean Decade *2021: 100 years of international cooperation in hydrography *2020: Hydrography enabling autonomous technologies *2019: Hydrographic information driving marine knowledge *2018: Bathymetry - the foundation for sustainable seas, oceans and waterways *2017: Mapping our seas, oceans and waterways - more important than ever *2016: Hydrography - the key to well-managed seas and waterways *2015: Our seas and waterways - yet to be fully charted and explored *2014: Hydrography - much more than just nautical charts *2013: Hydrography - underpinning the Blue Economy *2012: International Hydrographic Cooperation - supporting safe navigation *2011: Human Resources - The important element to the success of hydrography *2010: Hydrographic Services - the essential element for maritime trade *2009: Hydrography - Protecting the marine environment *2008: Capacity Building, a vital tool to assist the IHO in achieving its mission and objectives *2007: Electronic Navigational Charts (ENCs); an essential element of safety at sea and efficient maritime operationsActivities
Member states of the IHO, as well as international and national hydrographic organisations and services worldwide, engage in a range of activities on or around 21 June each year to mark World Hydrography Day. These include: *Awards *Conferences *Seminars *Workshops *Lectures *Dinners *Public events *Demonstrations *Promotional materialReferences
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