| | New Haven Railroad Historical Events |
| | Date | | Category | | Event |
| | 4/30/1849 | | Milestone | THE HARTFORD & NEW HAVEN RAILROAD COMPANY entered into an agreement to discontinue its connections |
| | with the New Haven - New York boat line, except for the night boat train, and commenced running its trains over the NEW |
| | YORK & NEW HAVEN from Mill River Junction to the Chapel Street Station of the latter road. The two companies also |
| | entered into an agreement to prevent the NEW HAVEN & NORTHAMPTON COMPANY from building northward in |
| | competition with the HARTFORD & NEW HAVEN RAILROAD. |
| | 4/1/1850 | | Opening of Service | NEW HAVEN AND NORTHAMPTON RAILROAD opened, from Plainville to Granby, CT. |
| | 4/2/1850 | | Merger | THE BRANCH COMPANY merged into HARTFORD & NEW HAVEN RAILROAD COMPANY. |
| | 4/24/1850 | | Merger | THE MIDDLETOWN RAILROAD COMPANY merged into HARTFORD & NEW HAVEN RAILROAD COMPANY. |
| | 4/20/1852 | | Incorporation | BELLINGHAM BRANCH RAILROAD COMPANY incorporated in Massachusetts, with authority to construct a railroad |
| | from Bellingham, Massachusetts to the state line of Rhode Island near Woonsocket. (Leased to and location rights assumed |
| | by THE NEW YORK AND BOSTON RAILROAD COMPANY.) |
| | 4/30/1852 | | Incorporation | BOSTON & NEW YORK CENTRAL RAILROAD COMPANY incorporated in Massachusetts. |
| | 4/9/1861 | | Incorporation | MIDLAND LAND DAMAGE COMPANY incorporated in Massachusetts by the owners of land covered and occupied by the |
| | MIDLAND RAILROAD. (Company organized June 7, 1861.) |
| | 4/11/1861 | | Incorporation | VINEYARD SOUND RAILROAD COMPANY incorporated in Massachusetts with authority to construct a railroad from the |
| | CAPE COD RAILROAD at Monument station (now Buzzard’s Bay) to Woods Hole. |
| | 4/18/1861 | | Milestone | Sixth Massachusetts Regiment arrives at New Haven station in New York at 7:30 AM; takes breakfast at Astor House, St. |
| | Nicholas and Metropolitan Hotels; leave Jersey City for Washington at 1:00 PM in 18-car train drawn by locomotive |
| | Walcott; arrive at Walnut Street Wharf, Philadelphia at 7:30 PM and are quartered in the Girard House; Fourth Massachusetts |
| | arrives in New York in steamboat State of Maine; Eighth Massachusetts departs Boston at night. |
| | 4/25/1862 | | Incorporation | OLD COLONY & NEWPORT RAILWAY COMPANY incorporated in Massachusetts with authority to effect a union of |
| | THE NEWPORT & FALL RIVER RAILROAD COMPANY with THE OLD COLONY & FALL RIVER RAILROAD |
| | 4/26/1862 | | Incorporation | FOXBOROUGH BRANCH RAILROAD COMPANY incorporated in Massachusetts with authority to construct a railroad |
| | from Mansfield (at the junction of the Taunton Branch and the BOSTON & PROVIDENCE RAILROAD) to Walpole, at |
| | some point on the MIDLAND RAILROAD (afterwards NEW ENGLAND RAILROAD.) |
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