1 Throughout its first 73 years until March 2002, the Best Actor Oscar had only been won by a black man once-by SIDNEY POITIER for 2  . The Lilies In The Field  in 1963, despite the emergence of strong roles for coloured actors and actresses from the 1960s onwards.
The source or beginning of a river is called the 'headwater'. The beginning of a river is known as the source. The source or beginning of a river is called the 'headwater'. The beginning of a river is known as the source.
For instance, the Amazon River receives water from more than 1,000 tributaries. Together, a river and its tributaries make up a river system. A river system is also called a drainage basin or watershed. A riverâs watershed includes the river, all its tributaries, and any groundwater resources in the area. The end of a river is its mouth. Here, the river empties into another body of waterâa larger river, a lake, or the ocean.