We all know that 70 percent of the Earth's water is there, of which only a few percent is potable. But it is not that the rest of the salt water is not of any use to us, the ocean present on the earth is also very important for the life cycle. Apart from this, trade is done by sea route all over the world, which benefits many countries. In this sequence, the whole world is celebrating this day as 'World Maritime Day 2021'. Let us tell you that in the last year 2019, it was celebrated on 26 September.