71.   U.S. historians have long believed that no second attack occurred, but President Johnson used the Navy report to obtain congressional support for widening the war.

72.   Historians believe there was little military-strategic justification for wreaking such death and destruction on the city, which was filled with refugees fleeing the Russian advance.

73.   Many historians believe there was never any strategic justification for the bombing.

74.   Skeptics abound here since historians believe the thrice-married Peron was unable to father children after an accident during military exercises left him sterile at a young age.