Ka cika wannan magana: Junípero Serra ya yi shekara takwas yana gina majami'un har zuwa shekara ta 1770. Lokacin da abubuwan tarihi da yawa, gami da korar Jesuits, suka tilasta watsi da ayyukan. Serra ya koma California. Lokacin da Serra ya tafi, an bar mishan a hannun malamai na yau da kullun. A lokacin yakin Mexican na Independence da kuma
Juyin Juya Halin Mexico, ayyukan sun sha wahala da lalacewa. An fara aikin gyara na farko a wajen majami'u na mishan a cikin 1980s. Tsakanin 1991 da 1997, an yi aikin ciki a bagadai, mawaƙa, gabobin da zane-zane. Ƙarin aikin da jihar ta tallafawa tsakanin 1997 da 2002. Aikin da aka yi a cikin 1990s ya haɗa da wanda ke kewaye da murabba'ai da wuraren tarihi. An fara kokarin shigar da ofisoshin a matsayin Gidan Tarihi na Duniya a shekara ta 2000 kuma a karshe ya yi nasara a 2003, lokacin da aka kara shi a yayin taron 27 na Kwamitin Gidajen Duniya.