amendment-Legal Definition. n. 1  The addition, deletion, correction, or other changes proposed or made to a document. 2  The term is usually capitalized when referring to an amendment in the United States Constitution (for example, the Fifth Amendment). 3  The act or process or revising something. 4  See also emendation.
On June 1, 1979, the NHL enacted a rule requiring the wearing of helmets for anyone entering the league after that date, though a âgrandfatherâ clause allowed diehard veterans to continue to go hatless if they wished.
Developed in the mid-19th century, the pith helmet, made of pith or cork, was often worn by Europeans in the tropics. Military applications in the 19th-20th centuries saw a number of leather helmets, particularly among aviation and tanker crews in the early 20th century.