Soviet Russia presented the Azerbaijan Democratic Republic with an ultimatum to surrender, and the troops entered Baku the next day.

On April 25, 1920, the Soviet Russian 11th Red Army crossed into Azerbaijan, entering Baku on April 27.

Yahya Shirvani entered Baku at this time of religious fervor and political instability, and he was able to start a movement.

January 20, 1990 - Soviet troops enter Baku; Black January crackdown takes place.

On April 25, 1920, the Russian XI Red Army invaded Azerbaijan, entering Baku on April 27.

When the Red Army entered Baku in 1920, Taghiyev's residence - like that of other wealthy oil barons - was immediately confiscated.

Less than six months after the March massacres, when the Ottoman-Azerbaijani force entered Baku, the city fell into chaos and nearly 10,000 Armenians were massacred.

The next major crisis occurred in Azerbaijan, when the Soviet army forcibly entered Baku on January 19-20, 1990, resulting in the death of 137 people.

On April 25, 1920, the Russian XI Red Army crossed into Azerbaijan and entered Baku on April 27.

The Army of Islam and their Azeri allies, led by Nuri Pasha, entered Baku on September 15.