一九七三年

The number one; single; a; as soon as; entire; whole; all; a "one" radical in Chinese characters; also used for clarity when spelling out numbers.

The number nine; 9; used to indicate a large quantity or multiple times; a surname.

The natural number seven; 7; used in traditional Buddhist rituals for mourning every seven days; a literary style.

The number three; 3; third in order; often used to indicate multiple or repeated instances; a surname.

year; age; harvest; time period; surname Nian surname