75th

The term “75th” is the ordinal form of the number seventy‑five and is used in a wide range of contexts to denote a position in a series, an anniversary, a legislative session, a military unit, or a statistical measure. In chronological terms, the 75th year after a given event is celebrated as a 75th anniversary, often marked by commemorative activities and the issuance of special medals or insignia. Notable examples include the 75th anniversary of the end of World War II in 2020 and the 75th anniversary of the United Nations in 2025.

In the United States legislative system, “the 75th Congress” refers to the meeting of the House of Representatives and Senate that convened from January 1937 to January 1939, a period notable for New Deal legislation. In military usage, the designation appears in unit titles such as the 75th Ranger Regiment, an elite light‑infantry unit of the U.S. Army, and the 75th Infantry Division of the German Wehrmacht in World War II.

Statistically, the “75th percentile” (or third quartile) is a measure indicating that 75 % of observations in a data set fall below a given value, frequently employed in economics, education, and health research. The term also appears in cultural references, such as the 75th Academy Awards held in 2003, and in transportation, for example the 75th Street stations on several New York City subway lines.