Valeria Damm Van Zanten of Crescent City, will turn 100 years old Aug. 19, 2013. Van Damm has lived in Humboldt and Del Norte Counties all of her life and taught in Del Norte County for 30 years. Family and friends are invited to a birthday celebration Saturday, Aug. 17, at the Addie Meedom House, 1445 Parkway Drive between 2 and 4 p.m.