I've read:
Hans Christian Andersen, Denmark, (1805-1875), Fairy Tales and Stories
Honore de Balzac, France, (1799-1850), Old Goriot
Giovanni Boccaccio, Italy, (1313-1375), Decameron
Miguel de Cervantes Saavedra, Spain, (1547-1616), Don Quixote
Geoffrey Chaucer, England, (1340-1400), Canterbury Tales
Joseph Conrad, England,(1857-1924), Nostromo
Dante Alighieri, Italy, (1265-1321), The Divine Comedy
Charles Dickens, England, (1812-1870), Great Expectations
Fyodor M Dostoyevsky, Russia, (1821-1881), Crime and Punishment; The Idiot;
Gustave Flaubert, France, (1821-1880), Madame Bovary; A Sentimental Education
Gabriel Garcia Marquez. Colombia, (b. 1928), One Hundred Years of Solitude;
Gilgamesh, Mesopotamia (c 1800 BC).
Johann Wolfgang von Goethe, Germany, (1749-1832), Faust
Ernest Hemingway, United States, (1899-1961), The Old Man and the Sea
Homer, Greece, (c 700 BC), The Iliad
Franz Kafka, Bohemia, (1883-1924), The Complete Stories; The Trial; The Castle Bohemia
Nikos Kazantzakis, Greece, (1883-1957), Zorba the Greek
Michel de Montaigne, France, (1533-1592), Essays
Vladimir Nabokov, Russia/United States, (1899-1977), Lolita
George Orwell, England, (1903-1950), 1984
William Shakespeare, England, (1564-1616), Hamlet; King Lear; Othello
Sophocles, Greece, (496-406 BC), Oedipus the King
Francois Rabelais, France, (1495-1553), Gargantua and Pantagruel
Leo Tolstoy, Russia, (1828-1910), War and Peace;
Jonathan Swift, Ireland, (1667-1745), Gulliver's Travels
Thousand and One Nights, India/Iran/Iraq/Egypt, (700-1500).
Mark Twain, United States, (1835-1910), The Adventures of Huckleberry Finn
Most of those are in high-school compulsory literature, others, well, I'm just a literature fan