Overall in many countries we value women and our mothers and we use this celebration to show them how much we love them. In Santa Cruz, Bolivia there is a monument that I like very much. It represents the beauty and strength of the indigenous mothers in Bolivia:

The monument of "La Madre India" (the indigenous mother) was created in 1978 by David Paz Ramos. He was inspired by seeing a little child in the plaza running frightened into his mother's arms. The indigenous woman held him tight and saving him from any threats.

A few dates for mother's day celebration:
Bolivia - May 27th
USA, Germany, Hong Kong - Second Sunday in May, this year May 9th
Mexico - May 10th
Don't forget to call your mom and let her know how much you love her! Also don't forget your wife, grandmother and your mother in law!