I've mixed the alternate logo and the one used for the 2017/18 City jersey. Richmond, Queens and Bronx are some of the boroughs of NY (the others being New York and Kings, but the latter is where the Brooklyn Nets are playing). As for the dates, 1946 is when the Knicks were created and 1624 is when New York was founded.
And below are 3 alternate logos with different backgrounds.

Why don't you check these?

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