May 28, 1903: Dr. Francis Tumblety dies and is returned to Rochester to be interred in Rochester's Holy Sepulchre Cemetery. Tumblety, raised in Rochester was considered a suspect in the Jack the Ripper murders. He was also briefly arrested but released for suspicion in aiding in the assassination of President Lincoln.
May 25, 1948: The New York Black Yankees defeat the Newark Eagles in their opening home game double header after moving to Redwings Stadium. This was the team's first and only season based in Rochester as the Negro National League folded after the 1948 season.
May 22, 1820: The first Carthage bridge collapses due to a structural flaw. The bridge was constructed over the Genesee River gorge from the settlement of Carthage, located just north of Rochester, along the east bank near the lower falls. Completed just 15 months prior, the bridge was hailed as an great engineering accomplishment, rivaling any bridge in the United States or Europe.
May 17, 1831: Colonel Nathaniel Rochester, Rochester's founder, dies after several years of illness at the age of 79. His monument at Mount Hope Cemetery reads: Si Monumentum Requiris Circumspice (If you would behold this monument, look about you).
May 14, 1814: The British Fleet of Sir James Yeo is sighted off the mouth of the Genesee River. Alarm is raised and all 33 men of the village of Rochester able to bear arms (save two to guard the women and children) are dispatched to join other local militia at Charlotte to prevent a landing. The prior summer, the British had landed and confiscated some supplies, without resistance. This time, having recieved the refugees after of the burging of Lewiston and aware of recent the raid on Oswego, the local militia refused landing. After a brief exchange of cannon fire between the militia and a British gunboat, the British fleet departed without further incident.
May 12, 1853: The Rochester and Lake Ontario Railroad makes its first run in 30 minutes from Charlotte to Rochester. The railroad enabled goods and passengers arriving from Canada to reach New York City within 12 hours. Properties along the route, including that of George Latta, doubled in value.
May 3, 1861: A parade is held in the streets of Rochester as local volunteers responding to President Lincoln's call to arms head off by train to Elmira to join the 13th New York Infantry regiment. The regiment would not return to Rochester for nearly 2 years.