Which actor (1899–1957) delivered the "Casablanca" line "Here's looking at you, kid"?

In 1897, Theodor Herzl convened the first of which congresses in Basel, Switzerland? Which 1897 novel includes the line "There are such beings as vampires; some of us have evidence that they exist"? The 1898 Battle of San Juan Hill was fought during which war? The 1898 Treaty of Paris ceded control of the Philippines to which nation? In 1899, William Middlebrook patented a machine for making which office item, which can harm floppy disks if magnetized? The 1899 Battle of Magersfontein was part of which war? An 1899 film called "Frank Melville's Trick" what shows the title animal stepping over two ponies? Which secret society of Irish-American coal miners saw about 20 of its alleged members hanged in Pennsylvania in the la…