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.
The land formed by silt deposited at the mouth of a river is called a delta (named for the Greek letter, which is similarly triangular in shape). Delta 1. Flood plain 2. Leveeâ¦s 3. Ox-bow lake 4. Delta.