1. On March 5, 1776, Governor Pedro Fermín de Mendinueta of Spanish New Mexico issued a proclamation to encourage the Pueblo Indians to return to their traditional way of life and abandon their participation in the Pueblo Revolt of 1680.

2. In 1853, the newly appointed governor of New Mexico Territory, David Meriwether, arrived in Santa Fe. Meriwether participated in the establishment of the US-Mexico border and was present at the signing of the Gadsden Purchase, which added southern Arizona and New Mexico to the United States.

3. On March 5, 1862, Union troops under the command of Colonel Edward Canby captured Fort Defiance from Confederate forces during the Civil War. The fort was strategically located at the intersection of major trade routes and provided crucial protection for Union soldiers and civilians against Confederate raids.

4. In 1910, the New Mexico State Penitentiary officially opened in Santa Fe. The facility was the first publicly owned and operated prison in the state and housed both male and female inmates until the construction of separate facilities in the 1920s.

5. On March 5, 1978, the Santa Fe Opera House premiered "Countess Maritza," an operetta by Hungarian composer Emmerich Kálmán. The production featured singer Beverly Sills and was received with critical acclaim, solidifying the venue's reputation as a world-class opera house.