1829-1851: |  |  |  | 2nd Cholera pandemic from before birth until age 9 |
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1830-1860: |  |  |  | Underground railroad leads 100,000+ slaves to freedom in US from before birth until after line end |
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1835-1842: |  |  |  | 2nd Seminole War from before birth until age 0 |
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1837-1901: |  |  |  | Reign of Queen Victoria (Hanover) from before birth until after line end |
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1839-1842: |  |  |  | Opium war between China and the English from before birth until age 0 |
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1841-1844: |  |  |  | John Tyler president of US from before birth until age 2 |
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1842: |  |  |  | Chinese cede Hong Kong to the English at age 0 |
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1844: |  |  |  | 1st telegraph line message, Washington to New York at age 2 |
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1845-1848: |  |  |  | James K Polk president of US from age 3 to age 6 |
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1845-1849: |  |  |  | Irish Potato Famine from age 3 to age 7 |
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1845: |  |  |  | Florida enters the union - 27th at age 3 |
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1845: |  |  |  | Texas enters the union - 28th at age 3 |
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1846-1848: |  |  |  | The Mexican-US War from age 4 to age 6 |
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1846: |  |  |  | Iowa enters the union - 29th at age 4 |
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1848-1856: |  |  |  | 1st gold rush in California -- Sutters Mill from age 6 until after line end |
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1848: |  |  |  | Wisconsin enters the union - 30th at age 6 |
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1848: |  |  |  | NY allows women to own real estate at age 6 |
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1848: |  |  |  | Oregon organized as a territory at age 6 |
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1849-1852: |  |  |  | Zachary Taylor president of the US from age 7 to age 10 |
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1849: |  |  |  | Fizeau measures speed of light at age 7 |
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1850: |  |  |  | US pop reaches 23 million at age 8 |
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1850: |  |  |  | New Mexico organized as a territory at age 8 |
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1850: |  |  |  | World pop. est. at 1.1 billion at age 8 |
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1850: |  |  |  | California enters the union - 31st at age 8 |
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1850: |  |  |  | Utah (included Nevada) organized as a territory at age 8 |
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1851: |  |  |  | Gold rush in Australia at age 9 |
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1852-1859: |  |  |  | 3rd Cholera pandemic from age 10 until after line end |
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1853-1856: |  |  |  | Franklin Pierce president of US from age 11 until after line end |
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1853: |  |  |  | Washington (included pt. of Idaho) organized as a territory at age 11 |
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1854-1856: |  |  |  | Crimean War from age 12 until after line end |
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1854: |  |  |  | Kansas organized as a territory at age 12 |
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1854: |  |  |  | Nebraska organized as a territory at age 12 |
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