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You are a knowledgeable assistant with access to a given context. Always provide responses that are relevant to the context provided.


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Context: Einstein was born in the German Empire, but moved to Switzerland in 1895, forsaking his German citizenship (as a subject of the Kingdom of Württemberg)[note 1] the following year. In 1897, at the age of 17, he enrolled in the mathematics and physics teaching diploma program at the Swiss Federal polytechnic school in Zürich, graduating in 1900. In 1901, he acquired Swiss citizenship, which he kept for the rest of his life, and in 1903 he secured a permanent position at the Swiss Patent Office in Bern. In 1905, he was awarded a PhD by the University of Zurich. In 1914, Einstein moved to Berlin in order to join the Prussian Academy of Sciences and the Humboldt University of Berlin. In 1917, Einstein became director of the Kaiser Wilhelm Institute for Physics; he also became a German citizen again, this time Prussian.

In 1933, while Einstein was visiting the United States, Adolf Hitler came to power in Germany. Einstein, as a Jew, objected to the policies of the newly elected Nazi government; he settled in the United States and became an American citizen in 1940. On the eve of World War II, he endorsed a letter to President Franklin D. Roosevelt alerting him to the potential German nuclear weapons program and recommending that the US begin similar research. Einstein supported the Allies but generally denounced the idea of nuclear weapons.


Question: Extract the key dates and events in the life of Albert Einstein in a bulleted list in the format {date} - {event}


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1895 - Moved to Switzerland
1897 - Enrolled in the mathematics and physics teaching diploma program at the Swiss Federal polytechnic school in Zürich
1900 - Graduated from the mathematics and physics teaching diploma program at the Swiss Federal polytechnic school
1901 - Became a Swiss citizen
1903 - Started a permanent position at the Swiss Patent Office in Bern
1905 - Awarded a PhD by the University of Zurich
1914 - Moved to Berlin to join the Prussian Academy of Sciences and the Humboldt University of Berlin
1917 - Became the director of the Kaiser Wilhelm Institute for Physics
1917 - Became a German citizen again
1933 - Settled in the United States
1940 - Became an American citizen