Historedia
AmericasEvent

Founding of Tucson

When
1775
Where
Site of Presidio San Agustín del Tucsón
Episodes
1

Hugo O'Conor authorized the construction of Presidio San Agustín del Tucsón in 1775. Passage 3689 specifies the authorization date as August 20, 1775, while passage 1153 provides only the year. The site is associated with the present downtown area.

Episodes

  1. August 20, 1775 · Site of Presidio San Agustín del TucsónAuthorization of Presidio San Agustín del Tucsón

    Hugo O'Conor authorized the construction of Presidio San Agustín del Tucsón in 1775. Passage 3689 specifies the date as August 20, 1775, while passage 1153 gives only the year.

Background and detail

Authorization of the Presidio. Hugo O'Conor authorized the construction of a military fort in 1775. The fort was named Presidio San Agustín del Tucsón. Passage 3689 identifies O'Conor as the founding father of the city, while passage 1153 records the authorization without that specific title.

Specific Founding Date. Passage 3689 records the authorization date as August 20, 1775. Passage 1153 cites only the year 1775 for the authorization. The specific day and month are supported solely by the more detailed account in passage 3689.

Location and Site. The fort was authorized in the location that is now downtown Tucson. Passage 3689 notes that the present Pima County Courthouse was built near the site of the authorized fort, linking the historical presidio to the modern urban center.

People involved

  • Hugo O'Conor · Authorized the fort's construction; identified as founding father in passage 3689

Sources

  1. Tucson, Arizona Wikipedia, revision of 2026-09-28

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.