Western Front
Kaiserschlacht: Unternehmung Georgette, known in the west as Battles of the Lys or the German Lys Offensive: Actions of Villers-Bretonneux: Violent attacks on junction of British and French in Amiens sector south of Somme; Villers-Bretonneux lost to 2 German divisions with 13 tanks (over 390 PoWs); they also threaten Allied junction in Amiens sector. Battle very severe at Hangard; Germans finally capture village.
First tank-vs-tank action: a British Mk IV ‘Male’ (Mitchell) knocks out German A7V Elfriede (after it disables 2 ‘Females’), which is then captured; 7 British Whippet light tanks (1 lost) run down 400 German infantry.
A7V “Elfriede” was disabled by four shots of the 6-pounder of a Mark IV tank and captured: https://i2.wp.com/ww2-weapons.com/w...7V-02.jpg?ssl=1
Attacks beaten off east of Robecq and north-east of Bailleul.
Heavy artillery fire in Woevre.
British Naval aircraft riad Zeebrugge and Ostend.
A French car camouflaged with tree branches: © IWM (Q 7871): https://twitter.com/CenturyAgoToday...422266642890753
British and French soldiers playing with baby goats: © IWM (Q 6561): https://twitter.com/CenturyAgoToday...452475761053696

Eastern Front
Finish Civil War: 8,000 Red Guards and 10 guns vainly try to retake Lahti from 800 German troops until April 29.

Southern Front
Macedonia: Lively fighting west of Doiran and in Cherna Bend.

Naval and Overseas Operations
Mozambique: Kartucol push checked at Mbalama Hill, but Captain Brodie’s reconnaissance party storm observation post and force German retreat on April 25. Rosecol advances on Koronje and Nanungu (April 27-29), Kartucol takes over on April 30.

Asiatic and Egyptian Theaters
Arabia: During past week, a 53-mile section of Hejaz railway south of Maan effectively occupied by Arab troops.
Manchuria: Cossacks under Colonel Semenov defeat 500 armed Hungarian prisoners of war and drive them back towards Chita.

Political, etc
Austria-Hungary: Count Bela Serenyi tries to form Ministry; and fails next day.
France: French papers publish Lichnowsky memorandum in full.
United Kingdom: Rectification of Anglo-Turkish agreement for exchange of prisoners announced.

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On the kinkometer, my kink measures as a sine wave.