“P.I. : Filipino girls playing basketball (early 1900’s). (Worcester); 1855; 1900/1910.” http://quod.lib.umich.edu/s/sclphilimg/x-1855/phld038. University of Michigan Library Digital Collections.
Basketball is a huge sport in the Philippines. In trying to figure out how that happened, I came across this image in the archives University of Michigan Library Digital Collections, which includes lots of images from the early interactions of the US in the Philippines.
Michael Janairo 