The commemorative months, which are meant to celebrate diversity, are "exclusionary," the council majority claims.
The Orange County cities of Westminster and Fountain Valley both hired new city managers this month.
Overall, hate crimes in California are at their highest levels since 2008.
The joint proclamation also condemns acts of hate and discrimination against the Asian American and Pacific Islander (AAPI) community.
Plenty of people claim to be patriotic. But West Chester, Ohio Trustee Lee Wong has the scars to prove it.