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1844
| 1844 • The Bahá'í calendar begins. |
1840
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residenceIn the two houses behind Charles Hicks, there is a Mrs. Van Norden aged 20-30, and then a Wm A Van Norden aged 40-50 years. Also living on the same page as Charles Hicks is an Abraham Van Norden. William Van Norden's brother James is also living in ward 14, on page 418. modified 1 Source ⇓ |
| 1840 • Louis Agassiz publishes his Etudes sur les glaciers ("Study on Glaciers", 2 volumes), the first major scientific work to propose that the Earth has seen an ice age. |