Timeline Entry

Project 523 Begins, 1967

In 1967, China launched Project 523, a secret antimalarial research program named for its May 23 start date. The project mobilized laboratories, military priorities, pharmaceutical researchers, and older medical texts in the search for new malaria treatments.

Project 523 matters because it created the institutional setting in which Tu Youyou and collaborators helped isolate artemisinin, one of the most important antimalarial discoveries of the late twentieth century.

Historical Significance

A secret program produced a global antimalarial legacy

It responded to drug resistance and war

Project 523 emerged as malaria control became urgent for troops and civilians in regions where older drugs were losing reliability.

It combined old texts with new tests

Researchers screened synthetic compounds and plant remedies, turning selected materia medica leads into laboratory experiments.

It complicated scientific credit

The work was collective, secretive, and distributed across institutions, even though Tu Youyou later became its best-known public figure.

Reading Path

Where this entry fits

Read this entry with Tu Youyou, History of Malaria, History of Medical Botany, and History of Herbal Medicine.