1750-1810
1810-1830
1830-1845
1845-1850
1850-1865
100

industrial revolution begins in Britain 

1750

100

cumberland road construction begins 

1811

100

anti catholic riot in boston

1834

100

elias howe invents sewing machine

1846

100

londons world fair

1851

200

Samuel slater builds first U.S textile factory

1791

200

erie canal construction begins 

1817

200

john deere devolps steel plow

1837

200

potato famine in Ireland 

1845-1849

200

cumberland road completed 

1852

300

Eli Whitney invents cotton gin

1793

300

erie canal completed 

1825

300

president Van Buren estbalishes ten hour days for federal employees 

1840

300

First general incorporation laws in NY 

democratic revolution collapse in Germany 

1848

300

cyrus feild lays first transatlantic cable

1858

400

Whitney develops interchangeable parts of muskets  

1798

400

first railroad in US

1828

400

Massachustetts declares laboe unions legal in common welath v. Hunt

1842

400

Samuel morse invents telegraph anti catholic riot in phili

1845

400

pony express established 

1860

500

Robert Fulton's first steamboat Embargo spurs American manufacturing 

1807

500

cyrus McCormick invents mechanical mower reaper

1830

500

Era of clipper ships

1843-1868

500

American, or know nothing, party formed 

1849

500

first transcontinental telegraph 

1861

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