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Maria Joanna Prinzessin von Sachsen

5 Apr 1798 – 30 Oct 1799

7 facts1 source

Facts and their sources

A life in time

  1. 5 Apr 1798

    Born

  2. 30 Oct 1799

    Dies, aged 1

Family

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Parents

During her lifetime

General history, not a record about the family: each item says where it comes from.

The 1790s · Maria is born

The first vaccine. Edward Jenner showed that cowpox protects against smallpox: the first vaccine, against a disease that killed millions.Around the world · 1796–1798

The first vaccine. Edward Jenner showed that cowpox protects against smallpox: the first vaccine, against a disease that killed millions.

John Raphael Smith · public domain