The German Johannes Kepler (1571-1630) assisted Tycho Brahe (1546-1601), the famous Danish astronomer. Kepler is famous for his laws of planetary motion.
Don Juan Bautista de Anza traveled to California to make peace with the Indians to help salvage the colony. Don Juan Bautista de Anza was successful in putting down rebellious Indians and forged a peace that would last 100 years. Over several years Anza led colonists to California and successfully dealt with Indian problems. Anza was greatly respected by the Viceroy and the King.
The United States declared war on Britain in 1812. It did so because Britain refused to stop seizing American ships that traded with France—Britain's enemy in Europe. Sometimes there were also seizures of American sailors. These seizures were known as impressment