SACRAMENTO -- A "Day of Significance" honoring slain San Francisco Supervisor Harvey Milk cleared the legislature on Thursday. But one group warns it will create a "gay day" for California public schools.

The state Assembly passed the bill, AB 2567, which sets aside a day each year to remember Milk. The bill declares May 22, Milk's birthday, a "day of significance" in his honor.

Milk, the country's first openly gay man to hold a prominent public office, was assassinated in 1978.

The state Senate passed the bill on Tuesday.

Now "The Campaign For Children and Families" is urging Governor Arnold Schwarzenegger to veto the bill.

"This bad bill will teach impressionable schoolchildren the anti-religious, homosexual-bisexual-transsexual agenda of Harvey Milk," said Campaign for Children and Families President Randy Thomasson in a statement released Thursday.

Thomasson also stated a state-wide observance of Milk's birthday will "harm children as young as kindergarten."

The bill now goes to Governor Schwarzenegger.

"Governor Schwarzenegger should say no to this very inappropriate bill, which has nothing to do with academic excellence," Thomasson stated.

Schwarzenegger hasn't said if he'll sign the bill or not.