Lyndon Baines Johnson ( August 27, 1908 – January 22, 1973) was a 36th President. His involvement in Vietnam war was important event of history. He use his power and without having to ask for an official declaration of war. The American soldiers increased dramatically. The chemical was use in the war. A lots of people was death and injured. Millions of gallons of the herbicide Agent Orange were sprayed on Vietnamese land. So that is a big problem of Vietnam war.