History of Ottoman Empire/Quiz II

{When did Murat II fight Hungarian in Varna? -1442 -1443 +1444 -1448
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{When was Mehmed II Sultan of Ottoman Empire? -1448 +1451 -1452 -1453
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{When did Mehmed II capture Konstantinapolis? -1452 +1453 -1454 -1455
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{When did Mehmed II die? -1472 -1477 -1479 +1481
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{When did Suleiman Magnificent I capture Belgrad? -1520 +1521 -1522 -1523
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