Current Affairs - Important Days - Discussion

Discussion Forum : Important Days - Latest Current Affairs (Q.No. 2373)
2373.
World Hydrography Day is observed every year on which day?
June 21
June 20
June 22
June 19
Answer: Option
Explanation:
World Hydrography Day is observed every year on June 21 . The day is an annual celebration to publicise the work of hydrographers and the importance of hydrography. World Hydrography Day 2020 theme is "Hydrography enabling autonomous technologies".
Discussion:
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