monastery foundation vs. refoundation

[eroux]

for instance in G435 this is a bit misleading: the foundation as Nyingma doesn't have a date, but the (re) foundation as Geluk has the date 1459 in the record of P3CN359, which leads to a confusing record

[eroux]

here's another example where the two events are correct, but are in fact the same and should be merged: https://library.bdrc.io/show/bdr:G2437