More than 30 years after President George H.W. Bush signed a law that designated May 1990 as the first Asian American and Pacific Islander Heritage Month, much of Asian American history remains unknown to many Americans—including many Asian Americans themselves.

To help fill the knowledge gap, TIME asked historians and experts on Asian American history nationwide to pick one milestone from this history that they believe should be taught in K-12 schools, and to explain how it provides context for where America is today. Click here to read the moments they chose.