"A CHRONOLOGY OF EVENTS IN AZERBAIJAN
10/05/05
1828
Russia and Persia conclude Turkmanchay Treaty, dividing Azerbaijan. Present-day Azerbaijan becomes part of the Russian empire.
1840s
First oil wells drilled near Baku.
1918-20
Azerbaijan enjoys short-lived independence, gained as a result of collapse of Russian empire, before re-conquest by the Red Army.
1922
Azerbaijan is part of Trans-Caucasian Soviet Federative Republic within Soviet Union."
More:EurasiaNet Eurasia Insight - A Chronology of Events in Azerbaijan