Fifth year after his Enlightenment, Lord Buddha spent the rainy season here.
it is also the monastery where Buddha most frequently stayed while visiting
Vaishali.
Here Mahapajapati Gotami obtained permission for women to enter the Order
under certain conditions.
The Order of Nuns (Bhikkhunis)
http://www.buddhanet.net/e-learning/buddhism/lifebuddha/2_23lbud.htm
About Mahapajapati Gotami
http://en.wikipedia.org/wiki/Mahapajapati_Gotami
About Vaishali (ancient city)
http://en.wikipedia.org/wiki/Vaishali_(ancient_city)
http://www.1upindia.com/pilgrimages/vaishali.html
About Bhikkhunis
http://en.wikipedia.org/wiki/Bhikkhuni