The First One in the US Took Place in August, 1790
This page is the CodyCross answer for the clue below from Earth, Group 17, Puzzle 3.
Question is: The First One in the US Took Place in August, 1790
and the answer is: CENSUS
Word Meaning:
CENSUS — An official count or enumeration of members of a population (not necessarily human), usually residents or citizens in a particular region, often done at regular intervals.
Definitions from Wiktionary.