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In the Great Flood of 1862, San Francisco receives 24.49 inches (622.0 mm) of rainfall for January, its highest monthly rainfall on record, and the “rain year” total from July 1861 to June of 49.27 inches (1,251.5 mm) is also the highest ever. [1]
In San Francisco, there were 35 inches of precipitation in December 1861–January 1862, and almost 50 for the season. [16] There were four distinct rainy periods: The first occurred on December 9, 1861, the second on December 23–28, the third on January 9–12, and the fourth on January 15–17.
The British government attempt to restrict westward expansion with the ineffective Proclamation Line of 1763 was cancelled by the new United States government. The first major movement west of the Appalachian Mountains began in Pennsylvania, Virginia and North Carolina as soon as the Revolutionary War was effectively won in 1781. Pioneers ...
Prior to about 1760, north of Spanish Florida, the Appalachian Divide represented the boundary between British and French colonial possessions in North America. [12] The Royal Proclamation of 1763 separated settled lands of the Thirteen Colonies from lands north and west of it designated the Indian Reserve; the proclamation border ran along the ...
Territorial evolution of North America of non-native nation states from 1750 to 2008. The 1763 Treaty of Paris ended the major war known by Americans as the French and Indian War and by Canadians as the Seven Years' War / Guerre de Sept Ans, or by French-Canadians, La Guerre de la Conquête.
Maps of the New World had been produced since the 16th century. The history of cartography of the United States begins in the 18th century, after the declared independence of the original Thirteen Colonies on July 4, 1776, during the American Revolutionary War (1776–1783). Later, Samuel Augustus Mitchell published a map of the United States ...
[2] [138] [139] Oregon Country had no defined northern limit, but it can be assumed that it did not encroach much upon Russian-held lands; this map uses the later-established line at 54°40′ north for simplicity. Northwestern North America: July 4, 1819 Arkansaw Territory was organized from the southern slice of Missouri Territory. [u] [140 ...
After the French and Indian War (1754-1763), Great Britain issued the Proclamation of 1763 that forced many English settlers out of the land west of the Appalachians in order to prevent future conflicts. The boundary drawn between the Thirteen Colonies and the Backcountry in the 1763 Proclamation solidified the boundary between the two regions ...