What was the start date of the longest war ever?
711 AD
1939
1839
1939
1812
1861
1812
1939
1839
1861
1812
1804
1939
1861
1812
1839
1804
1492
1861
1812
1815
1939
1648
1839
1804
1739
1492
1639
1861
1812
1815
1914
1648
1806
1803
1804
1492
1939
1861
1914
1812
1815
1839
1648
1300 BC
1806
1803
1804
1914
1492
1861
1812
1815
1939
1648
1914
1806
1803
1839
1804
1492
1492 AD
1861
1812
1815
1914
1648
1804
1492
1939
1861
1914
1812
1815
1806
1803
1839
1405
1648
1804
1914
1492
1861
1812
1815
1806
1803
1700
1939
1914
1839
1804
1405
1492
1856
1861
1648
1644
1812
1775
1700
1492 AD
1914
1939
1804
1492
1861
1914
1812
1815
1806
1803
1700
1405
1688
1939
1492 BC
1804
1914
1838
1856
1861
1648
1644
1812
1700
1300
1492
1939
1300 AD
1914
1775
1718
1492 BC
1639 AD
1860
1861
1812
1815
1806
1803
1300
1804
1804 AD
1492 AD
1405
1914
1400
1688
1739 AD
1860
1838
1066
1856
1939
1642
1648 AD
1861
1648
1405 BC
1776
1914
1644
1812
1492 BC
1300
1492
1400
1775
1860
1066
1939
1861
1453
1365
1812
1815
1806
1718
1803
1939 AD
1300
1405
1400
1492 AD
1798
1492 BC
1804
1839 AD
1879
1688
1864
1066
1939.
1642
1365
1200
1812
1300
1492
1400