Ms. Oberbillig is born in Gibraltar to William Ferguson and Mary Castleman Cavenaugh.
Ms. Oberbillig immigrates to the United States with her family.
Ms. Oberbillig studies courses at Reed College in Portland, Oregon.
Ms. Oberbillig studies courses at Antioch College in Yellow Springs, Ohio.
Ms. Oberbillig studies courses at the University of Washington in Seattle, Washington.
Ms. Oberbillig marries Gary Joel Oberbillig.
Ms. Oberbillig studies courses at San Jose State University in San Jose, California.
Ms. Oberbillig becomes a conservation manager for Mason County Public Utility District No. 1 in Washington.
Ms. Oberbillig becomes a founding trustee of the Anne Williston Scholarship.
Ms. Oberbillig serves as vice chairman of the Democratic Central Committee in Shelton, Washington.
Ms. Oberbillig joins the leadership council of the Southern Poverty Law Center.
Ms. Oberbillig becomes founder and chairman of the Thurston Council on Cultural Diversity and Human Rights.
Ms. Oberbilling becomes a charter member of the National Women’s History Museum.
Ms. Oberbillig serves as the founding sponsor of the Martin Luther King, Jr. National Memorial in Washington, D.C.
Ms. Oberbillig becomes board treasurer of All Souls Unitarian Universalist Church.
Ms. Oberbillig is named Woman of the Year by the National Association of Professional Women.
Ms. Oberbillig becomes a charter member of the Wellstone Action Leadership Council.
Ms. Oberbillig receives the Distinguished Humanitarian Award from Marquis Who’s Who.