| Old Dixie Highway Complete Streets Project Groundbreaking Ceremony | December 03, 2016 11:00 AM - 1:00 PM | |
| Old Dixie Highway Ribbon Cutting Celebration | June 03, 2018 3:00 PM - 5:00 PM | |
| Old School Field Day | May 20, 2023 12:00 PM - 4:00 PM | |
| On-site Document Shredding Event | November 14, 2020 9:00 AM - 1:00 PM | |
| Open Air Market | February 20, 2022 9:00 AM - 5:00 PM | |
| Open House #1: Breakers Avenue Streetscape Project | March 20, 2019 5:00 PM - 6:30 PM | |
| Open House #2: Breakers Avenue Streetscape Project | May 08, 2019 5:00 PM - 6:30 PM | |
| Open House for the I-95 Express Phase 3A-1 & 3A-2 Projects | August 09, 2016 5:00 PM - 9:00 PM | |
| Open Streets Fort Lauderdale | November 23, 2014 10:00 AM - 4:00 PM | |
| Open Streets Fort Lauderdale 2015 & Winterfest Family Fun Day | November 22, 2015 10:00 AM - 3:00 PM | |
| Open Streets Fort Lauderdale 2016 | October 15, 2016 10:00 AM - 3:00 PM | |
| Opening Reception for "Legends of the Florida Highwaymen" Black History Month Exhibit at Fort Lauderdale History Museum | February 08, 2016 6:00 PM - 8:00 PM | |
| Opening Reception for Colors of the Homeless Art Exhibition | November 08, 2018 6:00 PM - 8:00 PM | |
| Orange & Blue Family Fun Track & Field | May 13, 2017 10:00 AM - 6:00 PM | |
| Orange Bowl 5K Run/Walk | April 18, 2021 6:45 AM - 10:00 AM | |
| Original Fat Cats Bar Olympics | June 10, 2024 4:00 PM - 8:00 PM | |
| Other Post-Employment Benefits (OPEB) Board Meeting | June 06, 2017 2:30 PM | |
| Other Post-Employment Benefits Board (OPEB) Meeting | September 06, 2017 2:45 PM | |
| Other Post-Employment Benefits Board (OPEB) Meeting | December 05, 2017 2:45 PM | |
| Other Post-Employment Benefits Board (OPEB) Meeting | April 17, 2018 2:45 PM | |
