Notes on Petaluma and southern Sonoma County history from the Petaluma History Room – and not just chickens! Learn about famous Petalumans, notable buildings, and interesting places in the city and its region. The series was originally published as a blog on the main Sonoma County Library site between 2020 and 2022 and covers a range of subjects, using resources from our collections.

2025

What's So Special About Special Collections? (July 2, 2025)

National Historic Preservation Month, May 2025 (May 8, 2025)

2024

Hidden Petaluma Landmarks (May 13, 2024)

There’s a Song in the Air… (April 11, 2024)

2023

Have We Got a Deal For You! (December 15, 2023)

Petaluma High School, 1873-2023  (October 6, 2023)

Remembering Hiroshima and Nagasaki (August 3, 2023)

Driving in and eating out Petaluma: 1950s and 60s. (June 14, 2023)

People Saving Places: National Historic Preservation Month (May 4, 2023)

2022

Ice Cream (December 30, 2022)

Petaluma’s Legendary Bill Soberanes (January 7, 2022)*

2021

Modeling History (August 3, 2021)*

Finding Ray Mathews (March 16, 2021)*

Keeping Current with History (January 05, 2021)*

2020

Census (July 27, 2020)*

Welcome to the New Petaluma History Room Blog! (February 7, 2020)*