Around 1610, Galileo determined how fast the sun rotates by watching which dark areas shift position?

Around 1500, which Renaissance genius sketched not only a flying machine but also a parachute? In 1542, Juan Rodríguez Cabrillo became the first European to reach which island off Los Angeles, naming it San Salvado… Around 1550, the English called a type of arquebus a "caliver," a corruption of which word? Around 1606, Dutch navigator Willem Janszoon made the first recorded European sighting of which continent? In the 1610s, which Flemish Baroque master painted the famous "Descent from the Cross" for Antwerp's cathedral? Around 1620, Cornelis Drebbel demonstrated the first workable submarine on which river? In the 1620s, Italian traveler Pietro della Valle brought Europe copies of inscriptions from Persepolis in which wedge-… Around 1627, Myles Standish and which husband of Priscilla Mullins helped found the town of Duxbury, Massachusetts?