What happened April 1938 AD

In April Hitler ordered the OKW to prepare for Fall Grün (Case Green), the code name for an invasion of Czechoslovakia.

In a speech in Wilhelmshaven for the launch of the battleship Tirpitz on 1 April, he threatened to denounce the Anglo-German Naval Agreement if the British continued to guarantee Polish independence, which he perceived as an "encirclement" policy.

In April 1938, Britain and Italy signed the Easter Accords under which Britain promised to recognize Ethiopia as Italian in exchange for Italy pulling out of the Spanish Civil War.

On 3 April, Hitler ordered the military to prepare for Fall Weiss ("Case White"), the plan for invading Poland on 25 August.

The following year, Philip's uncle and guardian Lord Milford Haven died of bone marrow cancer.

In a Reichstag speech on 28 April, he renounced both the Anglo-German Naval Agreement and the German–Polish Non-Aggression Pact.