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		 Year | 
		 Event(s) | 
	
| 1  | 1840  | - Englishmen, John Herschel invents the blueprint.
 
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| 2  | 1841  | - John Tyler president of the USA 1841-1845.  John Tyler the first vice president to succeed to the presidency due to death of a president.
 
- Samuel Slocum patents the stapler.
 
- William H. Harrison president of the USA.  William Henry Harrison succumbed to pneumonia 1841.
 
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| 3  | 1842  | - Joseph Dart builds the first grain elevator.
 
- Paving the streets of Cleveland, Ohio commences by laying down planks on the roads.
 
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| 4  | 1843  | - Alexander Bain of Scotland, invents the facsimile.
 
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| 5  | 1844  | - Englishmen, John Mercer invents mercerized cotton.
 
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| 6  | 1845  | - American, Elias Howe invents a sewing machine.
 
- James Polk president of the USA 1845-1849.
 
- Robert William Thomson patents the first vulcanised rubber pneumatic tire.
 
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| 7  | 1846  | - Dr. William Morton, a Massachusetts dentist, is the first to use anesthesia for tooth extraction.
 
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| 8  | 1847  | - Hungarian, Ignaz Semmelweis invents antisceptics.
 
- Telegraph line installed between Pittsburgh and Cleveland.
 
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| 9  | 1849  | - Street lights are installed in Cleveland.
 
- Walter Hunt invents the safety pin.
 
- Zachary Taylor president of the USA 1849-1850.  Zachary Taylor died while in office.
 
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| 10  | 1850  | - Joel Houghton was granted the first dishwasher patent.
 
- Millard Fillmore president of the USA 1850-1853.  Millard Fillmore, vice president under Zachary Taylor, sworn in as president after Taylor's death.
 
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| 11  | 1851  | - Isaac Singer invents a sewing machine.
 
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| 12  | 1853  | - Franklin Pierce president of the USA 1853-1857.
 
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| 13  | 1854  | - John Tyndall demonstrates the principles of fiber optics.
 
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| 14  | 1855  | - Isaac Singer patents the sewing machine motor.
 
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| 15  | 1856  | - Cleveland water system goes into operation.
 
- Louis Pasteur invents pasteurisation.
 
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| 16  | 1857  | - George Pullman invents the Pullman Sleeping Car for train travel.
 
- James Buchanan president of the USA 1857-1861.
 
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| 17  | 1858  | - First sewers in Cleveland. (Where did everything go prior to this?)
 
- Hamilton Smith patents the rotary washing machine.
 
- Jean Lenoir invents an internal combustion engine.
 
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| 18  | 1861  | - Abraham Lincoln president of the USA 1861-1865.
 
- Elisha Otis patents elevator safety brakes, creating a safer elevator.
 
- Linus Yale invents the Yale lock or cylinder lock.
 
- USA Civil War begins.
 
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| 19  | 1862  | - Alexander Parkes invents the first man-made plastic.
 
- Dr. Richard Gatling patents the machine gun.
 
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| 20  | 1863  | - Cleveland starts home delivery of mail.
 
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| 21  | 1865  | - Abraham Lincoln shot by John Wilkes Booth on 14 Apr 1865 and dies the next day.
 
- Andrew Johnson president of the USA 1865-1869.  Andrew Johnson, vice president under Abraham Lincoln, sworn in as president upon Lincoln's death.
 
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| 22  | 1866  | - Alfred Nobel invents dynamite.
 
- Englishmen Robert Whitehead invents a torpedo.
 
- J. Osterhoudt patents the tin can with a key opener.
 
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