[1] In 1942, following the Japanese attack on Pearl Harbor, Fujii was arrested by the FBI and imprisoned at the Tuna Canyon Detention Station.
[1] In August 2015, Little Tokyo Historical Society unveiled a memorial lantern honoring Issei Pioneer Sei Fujii.
The lantern was designed by Miles Endo whose grandfather Shiroichi Koyama was detained at the same Santa Fe Department of Justice Camp as Sei Fujii.
In 2021, Little Tokyo Historical Society published a book entitled "A Rebel's Outcry: Biography of Issei Civil Rights Leader Sei Fujii (1882-1954)".
The text was translated by Saeko Higa-Dickinson, edited by Naomi Hirahara, original artwork by Takashi Uchida, and layouts by Amy Inouye.
A subsequent event was hosted in San Francisco on December 2, 2021 at the Japanese Cultural and Community Center of Northern California.
On the panel was civil rights advocate Karen Korematsu, Kenji Taguma, Jeffrey Gee Chin, and Miya Iwataki (Master of Ceremonies).