Mary Polly Johnson
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Spouse
James D Davidson
James D Davidson
1789 - 1854
Children

1796


Oct 15
1796 Carl Gauss obtains conditions for the constructibility by ruler and compass of regular polygons, and is able to announce that the regular 17-gon is constructible by ruler and compasses.

1812


Nov 30
Age: 16y

1813


Oct 4
Age: 16y
1813 August 12 - Austria declares war on France.

1818


Nov 4
Age: 22y
1818 Battle of Maipú in the Chilean War of Independence: Patriot rebels led by José de San Martín decisively defeat the Spanish Royalists.

1820


Age: 23y
James Davidson - 1820 United States Federal Census

residence


Charlotte, Virginia, USA ⇓
One house away is William W Davidson. On the previous page is an Allen Davidson. They are both aged 26-45. William is one of five men living in the house aged 26-45.
1 Source ⇓
1820 U.S. presidential election: James Monroe is re-elected, virtually unopposed.

1823


Mar 27
Age: 26y
1823 Joseph Smith, Jr. claimed in 1838 that on this day he had first come to the place where the golden plates were stored, having been directed there by God through an angel.
about

1825


Age: 28y
1825 Malden Island (an uninhabited island in the central Pacific Ocean) is discovered.
about

1829


Age: 32y
1829 Felix Mendelssohn performs St Matthew Passion. The success of this performance sparks a revival of interest in the music of Johann Sebastian Bach.

1830


Age: 33y
1830 • The General Assembly's Institution, now the Scottish Church College, one of the pioneering institutions that ushered the Bengal Renaissance, is founded by Alexander Duff and Raja Ram Mohan Roy, in Calcutta, India.
about

1836


Age: 39y
1836 • The Alamo begins with an American settler army surrounded by the Mexican Army under Santa Anna.

1840


Age: 43y
James Davidson - 1840 United States Federal Census

residence


St. John, Franklin, Missouri, USA ⇓
They lived three houses away from Jacob Marmon Johnson, and their daughter Mary Ann.
1 Source ⇓
1840 Fortsas hoax: A number of book collectors gather in Binche, Belgium, to attend a non-existent book auction of the late "Count of Fortsas".

1854


Age: 57y
1854 • The first class of the United States Naval Academy graduated at Annapolis, Maryland.

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