When Did These Momentum Occasions Happen?

One answer is the correct date, the other four are red herrings. Can you do it?

Question 1:When did Hitler become chancellor of Germany?
1928
1931
1938
1936
1933
Question 2:When did the English Fleet defeat the Armada?
1562
1509
1609
1631
1588
Question 3:When did King John sign the Magna Carta?
1187
1195
1209
1221
1215
Question 4:When did Athelstan become the first king of 'All England'
825
925
1025
1125
1225
Question 5:When was slavery abolished in the British Empire?
1841
1862
1859
1870
1833
Question 6:When was slavery abolished in the United States?
1833
1859
1862
1870
1841
Question 7:When was Charles I beheaded?
1649
1624
1635
1644
1629
Question 8:When did Robert Walpole become the first 'Prime' Minister
1709
1721
1746
1769
1780
Question 9:When was the battle of Trafalgar?
1805
1799
1794
1801
1796
Question 10:When was the Russian Revolution?
1916
1918
1917
1919
1920

This Quiz has been designed by Gij G.