Explore Resources:Asian American and Pacific Islander Heritage Month: May 2021 APRIL 19, 2021 “In 1978, a joint congressional resolution established Asian/Pacific American Heritage Week. The first 10 days of May were chosen to coincide with two important milestones in Asian/Pacific American history: the arrival in the United States of the first Japanese immigrants (May 7, 1843) and contributions of Chinese workers to the building of the transcontinental railroad, completed May 10, 1869. In 1992, Congress expanded the observance to a monthlong celebration that is now known as Asian American and Pacific Islander Heritage Month. Per a 1997 U.S. Office of Management and Budget directive, the Asian or Pacific Islander racial category was separated into two categories: one being Asian and the other Native Hawaiian and Other Pacific Islander. Thus, this Facts for Features contains a section for each. The following facts are possible thanks to the invaluable responses to U.S. Census Bureau surveys. We appreciate the public’s cooperation as we continuously measure America’s people, places and economy.” Learn more about it here.