15 000 - 50 000 years ago - Beringa crossing
1000 - Leuf Ericsson lands in Newfoundland
19 Nov 1493 - Columbus lands in Puerto Rico
1497 - John Cabot lands the Northern America
1513 - Juan Ponce de Leon lands in Florida
1519 - 1521 - Hernan Cortes' conquest
1528 - Álvar Núñez Cabeza de Vaca lands in Florida
1533 - conquest of Peru by Pissarro
1534 - exploration of Saint Lawrence River by Jacques Cartier
1540 - exploration of the continent by De Soto
1565 - the first European settlement in the continent, St. Augustine in Florida
1584 - the first English colony established by Sir Walter Raleigh at Roanoke Island
1607 - Jamestown settlement by Virginia Company of London
1620 - establishment of Plymouth colony
11 Nov 1620 - Mayflower Compact
1622 - Powhatan uprising
1630 - Winthrop's expedition
1630 - Massachusetts Bay colony
1636 - establishment of Rhode Island by Roger Williams
1636 - establishment of Connecticut by Thomas Hooker
1636 - foundation of Harvard University
1638 - New Heaven
1643 - establishment of the New England Confederation
1651 - Navigation Ordinance
1663 - establishment of the Province of Carolina
1652 - 1784 -Anglo-Dutch Wars
1663 - Staple Act
1667 - Treaty of Breda (New Amsterdam → New York)
1675 - 1676 - King Philipp's War/Metacom's Rebellion
1692 - Salem witch trials
1689 - 1697 - Augsburg League War/King William's War
1702 - 1713 - War for the Spanish Succession/Queen Ann's War
1713 - Treaty of Utrecht (Hudson's Bay Company, Rupert's Land, Newfoundland, Acadia)
1733 - establishment of the Province of Georgia
1733 - Peter Zenger trial
1734 - First Great Awakening
1744 - 1748 - War of the Austrian Succession/King George's War
1748 - Treaty of Aix-la-Chapelle
1755 - Braddock expedition
1763 - Treaty of Paris (New France, Spanish Florida)
1763 - Royal Proclamation
1764 - Sugar Act
1765 - Stamp Act
1765 - Stamp Act Congress
1770 - Boston Massacre
1773 - Tea Act
1773 - Boston Tea Party
1774 - Intolerable Acts
1774 - Articles of Association
1774 - Rhode Island abolishes slavery as the first state
1775 - New England Restraining Act
1774 - First Continental Congress
1775 - 1783 - American War of Independence
1775 - Second Continental Congress
1775 - Battles of Lexington and Concord
1775 - Battle of Bunker Hill
4 July 1776 - Declaration of Independence (during the Second Continental Congress)
1777 - Battle of Saratoga
1781 - Battle of Yorktown
1781 - Articles of Confederation
1783 - Treaty of Paris
1783 - Pennsylvania Mutiny
1786 - Annapolis Convention
1787 - Philadelphia/Federal Convention
17 Sept 1787 - Constitution signed
1787 - Northwest Ordinance
1790 - the first census
1791 - Vermont admitted to the Union
15 December 1791 - The United States Bill of Rights
1791 - foundation of the Bank of the United States
1792 - Kentucky admitted to the Union
1793 - cotton gin invented by Eli Whitney
1794 - Jay's Treaty
1794 - Whiskey Rebellion
1796 - Tennessee admitted to the Union
1796 - 1800 - John Adams' presidency
1800 - Washington becomes the capital
1801 - 1805 - Barbary Wars
1801 - 1809 - Thomas Jefferson's presidency
1802 - Ohio admitted to the Union
1803 - Louisiana Purchase
1803 - Marbury v. Madison
1804 - 1806 - Lewis and Clark Expedition
1807 - proclamation of the embargo
1808 - prohibition of slave traffic introduces by British government
1809 - 1817 - John Madison's presidency
1811 - Battle of Tippecanoe
1812 - War of 1812
1812 - Battle of Queenston Heights
1813 - Battle of Lake Erie
1814 - Battle of Lundy's Lane
1814 - Washington taken by British
1815 - Treaty of Ghent
1815 - Battle of New Orleans
1816 - 1825 - Era of Good Feelings
1817 - 1825 - James Monroe's presidency
1817 - Mississippi admitted to the Union
1818 - Illinois admitted to the Union
1817 - 1858 - Seminole Wars/Florida Wars
1819 - Alabama admitted to the Union
1819 - Florida admitted to the Union
1820 - Missouri admitted to the Union
1820 - Missouri Compromise (parallel 36o30')
1820 - Maine admitted to the Union
1823 - Monroe's Doctrine
1825 - 1829 - John Quincy Adam's presidency
1829 - 1837 - Andrew Jackson's presidency
1830 - Indian Removal Act
1831 - Nat Turner's Rebellion
1835 - 1836 - Texas Revolution/Texas War of Independence
1836 - Battle of San Jacinto
1837 -1841 - Martin Van Buren's presidency
1838 - Trail of Tears
1841 - 1841 - William Henry Harrison's presidency
1841 - 1945 - John Tyler's presidency
1845 - annexing of Texas and Florida
1845 - 1849 - James Polk's presidency
1846 -1848 - Mexican-American War
1846 - Wilmot Proviso
1847 - Battle of Buena Vista
1847 - Battle of Vera Cruz
1848 - beginning of the California Gold Rush
1848 - 1850 - Zachary Taylor's presidency
1850 - 1853 - Millard Fillmore's presidency
1850 - Clay Compromise
1850 - Fugitive Slave Act
1853 - 1857 - Franklin Pierce's presidency
1854 - Kansas-Nebraska Act
1854-1858 - Kansas Bleeding
1854 - Republican Party formed
1856 - John Brown's Pottawatomie Creek Massacre
1857 - 1861 - James Buchanan's presidency
1857 - Dred Scott's case
1860 - 1865 - Abraham Lincoln's presidency
20 Dec 1860 - South Carolina leaves the Union
1849 (?) - 1865 - American Civil War
12 Apr 1861 - hostilities begin in Fort Sumter
14 Apr 1861 - the Civil War starts
8 February 1861 (?) - establishment of the Confederated United States
1861 - Battle of Bull Run
1862 - Battle of Shiloh
17 September 1862 - Battle of Antietam
1862 - Emancipation Proclamation
1862 - Dakota War/Sioux Uprising
4 June 1863 - Battle of Vicksburg
1-3 July 1863 - Battle of Gettysburg
9 April 1865 - Appomattox Court House
1865 - 13th Amendment
15 Apr 1865 - Lincoln assassinated
1867 - Alaska purchase/Seward's Folly
1876 - 1877 - Great Sioux War
1876 - Battle of Little Bighorn
1877 - withdrawal of the northern troops from the South
1890 - Wounded Knee Massacre
1898 -Spanish-American War
1898 - Treaty of Paris (Philippines, Guam, Puerto Rico)
1902 - Cuba gains independence
1914 - opening of the Panama Canal