World Rivers Day
World Rivers Day is held on September 26. Last Sunday of September. This event in the third decade of the month September is annual. 
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The Nile River is widely accepted as the world's longest river. Most scientists agree that the Amazon River comes in a close second, winding a huge 6,840km through the mountains and rainforests of South America.
World Rivers Day is celebrated on the fourth Sunday of September every year to increase public awareness about rivers and to encourage their conservation. The day celebrates Earth's waterways, in which over 60 countries participate every year.
Similar holidays and events, festivals and interesting facts
World Dream Day on September 25
International Rabbit Day on September 25 (Held on the fourth Saturday in September);
World Pharmacist Day on September 25
European Mushroom Day on September 25 (Celebrated on the fourth Saturday of September);
International Ataxia Day on September 25
National Public Lands Day in USA on September 25 (Held on the fourth Saturday in September);
World Environmental Health Day on September 26
World Retina Day on September 26 (Held on the last Sunday in September);
European Day of Languages on September 26 (European Union);
International Daughters' Day on September 26 (Celebrated on the fourth Sunday of September);
European Myeloma Day on September 27
National Crush Day in USA on September 27 (It’s a reminder that recycling reduces carbon emissions, saves money, and cuts down on waste. National Crush Day is an opportunity for those who care about the environment to advocate for recycling);
National Environmental Awareness Day in Argentina on September 27
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