About Caroline Augusta of Bavaria
Princess Caroline Augusta of Bavaria was Empress of Austria by marriage to Francis I of Austria. She was the penultimate child and third daughter of King Maximilian I Joseph of Bavaria and Princess Augusta Wilhelmine of Hesse-Darmstadt. She firstly married to Crown Prince William of Württemberg in 1808, but they lived separately in 1814. She became popular in Austria and was active in social work; she founded several hospitals and residences for the poor. Later, Ferdinand III, Grand Duke of Tuscany withdrew his proposal and Caroline Augusta became the emperor's bride.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.