First Mass in Alameda County

A.D. 1772 

NEAR THIS SPOT ON THE 27TH DAY OF MARCH 1772 
FATHER PRIOR JUAN CREST[?] O. F. M. CELEBRATED THE 
FIRST HOLY MASS WITHIN THE PRESENT CONFINES OF THE 
COUNTY OF ALAMEDA, IN THE PRESENCE OF CAPTAIN 
COMMANDER DON PEDRO FAGES, TWELVE SOLDIERS OF THE 
CATALANIAN VOLUNTEERS FROM THE ROYAL PRESIDIO OF 
SAN CARLOS DE MONTEREY AND TWO MULETEERS[?]. 
CLEMENT XIV PONTIFEX MAXIMUS AND CARLOS III BEING 
KING OF SPAIN. 

"Vestigia null retrorsum"
    horace, epistles 1 1 7[?]