Mission San Buenaventura was founded on Easter Sunday, March 31, 1782 in Las Californias

Las Californias

The Californias, or in — - was the name given by the Spanish to their northwestern territory of New Spain, comprising the present day states of Baja California and Baja California Sur on the Baja California Peninsula in Mexico; and the present day U.S. state of California in the United States of...

, part of the Spanish

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 Viceroyalty of New Spain. Named for a Franciscan

Franciscan

Most Franciscans are members of Roman Catholic religious orders founded by Saint Francis of Assisi. Besides Roman Catholic communities, there are also Old Catholic, Anglican, Lutheran, ecumenical and Non-denominational Franciscan communities....

 theologian

Theology

Theology is the systematic and rational study of religion and its influences and of the nature of religious truths, or the learned profession acquired by completing specialized training in religious studies, usually at a university or school of divinity or seminary.-Definition:Augustine of Hippo...

, Saint Bonaventure, it was the last of the missions

Spanish missions in California

The Spanish missions in California comprise a series of religious and military outposts established by Spanish Catholics of the Franciscan Order between 1769 and 1823 to spread the Christian faith among the local Native Americans. The missions represented the first major effort by Europeans to...

 founded by Father Serra. Mission San Buenaventura was planned to be founded in the year 1770, but the founding was delayed because of the low availability of the military escorts needed to establish Mission San Buenaventura.