Russia is proclaimed a republic

Kornilov rejected dismissal and advanced cavalry units toward the capital in what became known as the Kornilov Affair. The source date is 27 August 1917 Old Style.

Soviets, trade unions, Red Guards and Bolshevik activists mobilized to defend Petrograd against the military advance. The source date is 27 August 1917 Old Style.

Railway employees delayed, redirected and stopped military trains heading toward Petrograd. The source date is 28 August 1917 Old Style.

Workers and socialist organizers fraternized with advancing troops, undermining the attempted military takeover. The source date is 28 August 1917 Old Style.

The advancing forces disintegrated without a major battle after railway obstruction, agitation and mass mobilization. The source date is 31 August 1917 Old Style.

For the first time, the Petrograd Soviet approved a Bolshevik resolution calling for transfer of authority to the soviets. The source date is 1 September 1917 Old Style.

The Bolsheviks gained a majority in the Moscow Soviet, reflecting the radicalization produced by war and the Kornilov crisis. The source date is 5 September 1917 Old Style.

Elected fleet bodies declared that they would no longer obey the Provisional Government. The source date is 8 September 1917 Old Style.

A larger meeting again supported transferring state authority away from the coalition government. The source date is 9 September 1917 Old Style.

Writing in hiding, Lenin argued that workers could not simply take over the existing state machinery but needed a new form of power based on soviets. The source date is 12 September 1917 Old Style.