This is the 1950 Amendment that clarified (or added) history of NYS in lower grades, American history in upper.
a. (1) The course of study for the first eight years of full time public day schools shall provide for instruction in at least the eleven' common school branches of arithmetic, reading, spelling, writing, the English language, geography, United States history, civics, hygiene, physical training- and the history of New York state.
(2) The courses of study and of specialized training beyond the first eight years of full time public day schools shall provide for instruction in at least the English language and its use, in civics, hygiene, physical training and American history.
§ 2. This act shall take effect September first, nineteen hundred fifty.
Geography + History would be our "Social Studies".
Civics would include learning about the Constitution, government.
Hygiene was sort of Human Biology.