Spouse
1904
Apr 4
| 1904 • Halford Mackinder presents a paper on "The Geographical Pivot of History" to the Royal Geographical Society of London in which he formulates the Heartland Theory, originating the study of geopolitics. |
1982
Nov 6
Age: 78y
| 1982 • Venezuela recognizes the Sahrawi Arab Democratic Republic (SADR). |