Does anyone know the year women where allowed to join the army?

2 answers

in US, Women were allowed into the Marine Corps in 1943
The army and navy enlisted women nurses before World War I. Check the second site for the exact date.

http://www.army.mil/cmh-pg/books/wwii/Wac/index.htm

http://womenshistory.about.com/gi/dynamic/offsite.htm?zi=1/XJ/Ya&sdn=womenshistory&cdn=education&tm=31&gps=394_666_869_567&f=20&tt=14&bt=1&bts=0&zu=http%3A//userpages.aug.com/captbarb/femvets4.html

http://home.att.net/~vet_updates/prdhist.htm