| 1638 | |
| 1675 | |
| 1676 | |
| 1689 | | 17 May:
King William's War; England declares war on France which lasts until the signing of the Treaty of Ryswick.HoMA MB |
|
| 1702 | |
| 1717 | | 27 Feb:
A series of four successive snowstorms create the Great Snow of 1717.NEHS NWS |
|
| 1722 | |
| 1744 | |
| 1758 | | 27 Jul:
British and colonial forces defeat French and Canadian forces at the Battle of Louisbourg in Nova Scotia.BB CTHist |
|
| 1774 | |
| 1775 | | 19 Apr:
The first battles of the American Revolution. British troops fight American Minutemen at Lexington, killing eight. The British then move to Concord where they again engage the colonials. By the end of the battle, 93 colonists are dead. The British, having lost 273, retreat to Boston.LoC NPS |
|
| 1776 | | 4 Jul:
The United States is founded when the Second Continental Congress declares its independence from Great Britain.USHistory USNA |
|
| 1783 | |
| 1787 | |
| | 17 Sep:
The U. S. Constitution is signed by 38 of the 41 delegates present at the Constitutional Convention.LoC CC |
|
| 1788 | |
| 1804 | |
| 1816 | |
The previous year, Mt. Tambora erupted producing so much ash and gas the sunlight was blocked from warming the earth causing the "Year Without Summer".USGS |
|
| 1852 | |
| 1888 | | 11 Mar:
The Great Blizzard of March 1888 or the Great White Hurricane, hits the northeastern United States.HI LoC |
|
| 1905 | | 5 Aug:
Teddy Roosevelt gathers up the Russian and Japanese peace delegates in Oyster Bay, herds them aboard the yacht Mayflower, and heads off to Portsmouth.GoogleBooks GLIAH |
|
| |
| 1911 | |
| 1934 | |
| | 12 Apr:
The highest surface wind measured anywhere on earth was clocked by the staff of the Mount Washington Observatory at 231 mph.MWOBS WU |
|
| 1938 | |
| 1950 | |
| 1964 | | 2 May:
BASIC (an early computer language) is invented by John George Kemeny and Tom Kurtz of Dartmouth College.W I R E D DiTH |
|
| 1965 | | 9 Nov:
The Northeast Blackout of 1965 is caused by human error.SIMag NEHS |
|
| 1978 | |
| 2003 | | 3 May:
The Old Man of the Mountain collapses.Earth WMNH |
|
New Hampshire
