The health promotional phase in public health is between
the years:: (A) 1880-1920, (B) 1920-1960, (C) 1960-1980, (D) 1981-2K
Answer is B. Disease control phase: 1880 - 1920
Health promotional phase: 1920 - 1960
Social engineering phase: 1960 - 1980
Health for all phase: 1981-2000

Essentials of preventive and community dentistry 
Soben Peter 
5th edition