Final answer:
In 1980, Valerie Thomas did not have a documented historical event associated with her name. The details provided mention significant advancements and challenges faced by women and African Americans during that era, including other individuals' achievements and societal changes.
Step-by-step explanation:
In 1980, Valerie Thomas did not have a significant historical event recorded related to her specifically. Although during this period issues regarding the advancement of women and African Americans in areas such as psychology, politics, and the workforce were certainly prominent, the information provided does not detail any particular achievement by Valerie Thomas in 1980. Instead, achievements of other notable figures are mentioned, such as Margaret Floy Washburn, the first woman to earn a doctorate degree in psychology, and events like the increase in sexual harassment complaints following Anita Hill's allegations against Clarence Thomas during his Supreme Court confirmation hearings in 1991.
Historically, 1980 was a time of political and social change, where, for example, Geraldine Ferraro became the first female candidate for vice president from a major party. Other instances of recognition for women include the awarding of honor to Dr. Edward by the University of Toronto for her service during the war before her death in 1980. These events are indicative of the struggles and successes of women in various fields during the 20th century.