June 30

 June 30, 1956: The last passenger train makes its final run on the Rochester Subway. The subway began operations in 1927 and limited freight service continued to Gannett Newspapers until 1996.

Sources and Further Reading:

1. Vintage Views: Rochester's History: an Illustrated Timeline; "End of the Line" 
2. Wikipedia: Rochester Subway
3. Rochester Ponders Future of Once Vibrant Subway; Mercer, Laurie; Oct 31, 2007

June 27

June 27, 1887: A riot erupts during a strike of the street labors who attacked diggers working at an excavation on Gorham St. and then hurled stones at responding police. After three police were wounded, the police fired at the protesters, ending the riot.

Sources and Further Reading:

1. History of Rochester and Monroe County, New York (1908); Peck, William F.; page 100

June 19

June 19, 1846: A suspected tornado rips the roof off school house no. 9 on Parker St. injuring about 34 of the 100 children in attendance. False rumors initially spread that some of the children may have been killed, however, no fatalities actually occurred. It is reported that the children hid under their desks and benches for protection.

(Note: Date should be adjusted to Friday June19)
Sources and Further Reading:

1. Brookly Daily Eagle, "Children Killed at Rochester", June 22, 1846, pg 2

June 15

June 15, 1813: British warships, returning after raiding Sackett's Harbor, land at Charlotte and confiscate supplies of grain, pork, and flour. No one was harmed during the raid and the British provided a receipt to George Latta for goods taken.

Sources and Further Reading

1. The Pictorial Field-Book of the War of 1812 V2 By Benson J. Lossing, pg 65
2. Rochester History (October 1942) vol IV, no 4., pg 11

June 15, 1900: Dubbed as 'Otis Day', Rochester celebrates the home coming and retirement of General Elwell S. Otis from the Philippines where he led the Battle of Manila. A parade is held under a memorial arch at Main St. and East Ave. The US 15th Infantry as well as the 5th and 7th Artillery participated in the celebration, arriving a few days prior and setting up camp (Camp Otis) at Maplewood park.

Sources and Further Reading

1. History of Rochester and Monroe County, New York (1908); Peck, William F.; page 117
2. Rochester, the Power City 1900-1901, Rochester Chamber of Commerce (1901), pg 12  (source of top image)
3.  

June 9

June 9, 1884: At noon, Rochester celebrated its semi-centennial anniversary with 50 cannon blasts and the ringing of St. Peter's and other church bells. The afternoon was filled with speeches and musical performances. The following day, starting again at noon, all stores in the city closed as spectators filled the streets to witness a parade of veterans organizations, social groups, fire fighters, and various industry sponsored wagons.

Sources and Further Reading:

1.  History of Rochester and Monroe County, New York (1908); Peck, William F.; pages 104-107

From Amazon.com:

June 7

June 7, 1825: General Lafayette of France stops in Rochester to receive local revolutionary war veterans at Silvius Hoard's tavern. Lafayette, who served the Continental Army under George Washington during the American Revolution, was touring the United States at the request of president Monroe in commemoration of the nation's upcoming 50th anniversary.

Historical Marker - Downtown Rochester

Sources and Further Reading 

1. Wikipedia: Gilbert du Motier, marquis de Lafayette
2. Visit of the Marquis de Lafayette to the United States (1824-25)

Location:43.155350,-77.61255  (view in Google Maps)

June 1

June 1, 1846: The first press dispatch by telegraph arrives in Rochester at the New York, Albany, and Buffalo Company office, reporting on the constitutional convention in Albany. In 1860, this company was mergered with the Western Union company, then headquartered in Rochester.
Sources and Further Reading:

1. History of Rochester and Monroe county, New York (1908), William F. Peck, pg 76