1) 7 July 1937: Clash near the Marco Polo Bridge, close to Beijing
2) 10 May 1940: Germans launch offensive in the West
3) 12 August 1940: Battle of Britain begins
4) 22 June 1941: Launching of Operation Barbarossa
5) 7 December 1941: Attack on Pearl Harbor
6) 4 June 1942: Battle of Midway
7) 5 July 1943: Germans launch battle of Kursk
8) 6 June 1944: D-Day
9) 23–26 October 1944: Battle of Leyte Gulf
10) 9 August 1945: Dropping of second atom bomb, on Nagasaki
I hope this helps!
D) He helped Martin Luther King Jr.,in his rise to national importance?
I'm not sure what you mean by "historically", but there are many key features of London:
Big Ben
Buckingham Palace
the Thames River
London Bridge
London Eye
Trafalgar Square
Hyde Park
Westminster Abbey
the Globe Theater