Around 1720, which Mississippi port became the capital of France's Louisiana territory?

Around 1675, Giovanni Domenico Cassini observed a dark gap in which planet's main rings? Around 1684, Jules Hardouin-Mansart completed which famous room at Versailles, called the Galerie des Glaces in French? Around 1700, Bartolomeo Cristofori of Florence invented which instrument? In the early 1700s, who set the freezing point of water at 32 degrees and the boiling point at 212? Which great Baroque composer wrote six "English Suites" for harpsichord? According to tradition, the Shang dynasty arose around 1766 B.C. in the valley of which Chinese river, also called the… Around 1780, which grandfather of Charles Darwin invented a pyrometer to measure the high heat in his kilns? Around 1784, Henry Cavendish found that hydrogen exploding with air produced which substance?