June 20th, 1877
Alexander Graham Bell installs the world s first commercial telephone service in Hamilton, Ontario, Canada. event on June 20, 1877. Read about how to open files in Open File Database.
Events around June 20, 1877
| June 21st, 1877 | Event | The Molly Maguires, ten Irish immigrants, are hanged at the Schuylkill County and Carbon County, Pennsylvania prisons. |
|
