21 October

Sep

1 September

October

Nov

1 November

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

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31

1

2

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Other dates

Lonsdale Battalion events that took place on 21 October.
For events that took place elsewhere, see 21 October on The Great War wiki.

1914

Western Front

• The Yser: Critical day: Dixmude heavily bombarded and assaulted.
• Arras also heavily bombarded and attacked.
• The Argonne: French recovery begins.

Eastern Front

• Poland: Germans begin retreat from Warsaw: Battle of Kasimiryev: Russki annihilates the Germans who had crossed the Vistula.

Political

• Russia: State sale of alcohol abolished.
• Great Britain: Reply to manifesto of German professors published.

References/notes

Lord Edward Gleichen (1918–1920). Chronology of the War. Volumes I, II & III. Constable & Company, London. (Copyright expired)