Timeline: Katharina Danner: Gerber Family of Langnau

Abt 1643 - 1664 (21 years)

	Date	Event(s)
1	1839	1839: USA - First use of OK in print (in Boston Morning Post) 1839: UK - William Henry Fox-Talbot produces photographs from negatives 1839: France - Louis Daguerre and J.N. Niepce co-invent Daguerreotype photography. 1839: UK - Kirkpatrick Macmillan invents a bicycle. 1839: USA - Charles Goodyear invents rubber vulcanization. 1839: UK - Welshman Sir William Robert Grove conceives of the first hydrogen fuel cell. 1839: USA - Thaddeus Fairbanks invents platform scales. 1839: UK - First railway timetable published by Quaker Bradshaw 1839: China - The Opium Wars until 1842, Britain forces China to take European goods
2	1840	1840: UK - Victoria I marries Prince Albert of Saxe-Coburg-Gotha. 1840: UK - There are reckoned to be 107 accountants in London 1840: New Zealand - New Zealand annexed 1840: UK - Englishman John Herschel invents the blueprint. 1840: Australia - During period to 1853 convicts are still sent to Tasmania at the rate of about 4,000 per year 1840: UK - Queen Victoria begins dressing the princes in kilts and sailor suits.
3	1841	1841: UK - The first British Census recording the names of the populace is undertaken. 1841: UK - The Tories come to power. Sir Robert Peel becomes Prime Minister 1841: USA - William Henry Harrison president of the USA. He succumbed to pneumonia in 1841. 1841: USA - John Tyler president of the USA to 1845. He is the first vice president to succeed to the presidency due to death of a president. 1841: UK - Samuel Slocum patents the stapler.