Lenin presents the April Theses

Pravda published an abridged version of Lenin’s arguments that workers should not politically support the Provisional Government. The source date is 3/21/1917 Old Style.

British naval authorities removed Trotsky and other anti-war socialists from their ship and imprisoned them temporarily at Amherst.

The Provisional Government declared that continued participation in the war was defensive, winning qualified acceptance from Soviet leaders. The source date is 3/27/1917 Old Style.

Veteran Marxist Georgi Plekhanov returned to Petrograd but supported continued participation in the war, separating him from anti-war socialists. The source date is 3/31/1917 Old Style.

Lenin arrived at Finland Station and was welcomed by workers, soldiers and Bolshevik supporters after years in exile. The source date is 4/3/1917 Old Style.

The Provisional Government enacted protections for public meetings and unions, widening the space for mass political organization. The source date is 4/12/1917 Old Style.

Mass demonstrations marked International Workers’ Day and displayed the political strength of organized workers after the fall of the monarchy. The source date is 4/18/1917 Old Style.

Foreign Minister Pavel Milyukov assured the Allied governments that Russia would pursue the war and its strategic objectives. The source date is 4/18/1917 Old Style.

Publication of the foreign minister’s commitments exposed the contradiction between popular demands for peace and government war policy. The source date is 4/20/1917 Old Style.

Soldiers and workers protested the Milyukov Note for two days, producing the first major crisis of the Provisional Government. The source date is 4/20/1917 Old Style.