1957 ( MCMLVII ) la m?t n?m th??ng b?t đ?u vao Th? ba c?a l?ch Gregory , n?m th? 1957 c?a Cong nguyen hay c?a Anno Domini , the n?m th? 957 c?a thien nien k? 2 , n?m th? 57 c?a th? k? 20 , va n?m th? 8 c?a th?p nien 1950 .