1786 онд хэн төрсөн бэ?

French polymath who excelled as a mathematician, physicist, astronomer, and politician, known for his work in optics and his public service

American politician and diplomat who served briefly as the 13th Vice President of the United States

King of Bavaria who encouraged industrialization, initiated the Ludwig Canal, and oversaw the first German railway, later abdicating during the 1848 revolutions