4 Sep 1939
United Kingdom
United Kingdom
- Alan Turing reported to Bletchley Park, Buckinghamshire, England, United Kingdom. ww2dbase [Bletchley Park | Alan Turing | Milton Keynes, England | CPC]
14 Jan 1940
United Kingdom
United Kingdom
- British cryptologists at the Government Code and Cypher School, Bletchley Park deciphered the German Enigma code with help of Polish experts. ww2dbase [Enigma Code Broken | Bletchley Park | Milton Keynes, England | CPC]
14 Mar 1940
United Kingdom
United Kingdom
- First "bombe" decipher machine became operational at Bletchley Park in England, United Kingdom. ww2dbase [Bletchley Park | Milton Keynes, England | CPC]
22 May 1940
United Kingdom
United Kingdom
- Cryptologist in Bletchley Park, England broke the Luftwaffe Enigma code. ww2dbase [Enigma Code Broken | Bletchley Park | Milton Keynes, England | TH]
21 Nov 1940
United Kingdom
United Kingdom
- A German aircraft bombed the British Government Code and Cypher School at Bletchley Park, Buckinghamshire, England, United Kingdom, damaging the diplomatic section, the telephone exchange, and the typists room. There were no casualties. The attack was almost certainly accidental, as the Germans did not know of the importance of this site. ww2dbase [Battle of Britain | Bletchley Park | Milton Keynes, England | CPC]
25 Apr 1941
United Kingdom
United Kingdom
- An indication that the Germans were considering Crete, Greece as a target for major parachute assault was discovered by the code-breakers at the Government Code and Cypher School at Bletchley Park in Britain through an interception of the German Luftwaffe's lax cypher discipline. ww2dbase [Bletchley Park | Balkans Campaign | Milton Keynes, England | AC]
6 Sep 1941
United Kingdom
United Kingdom
- Alan Touring met British Prime Minister Winston Churchill during Churchill's visit at the Government Code and Cypher School at Bletchley Park in Milton Keynes, Buckinghamshire, England, United Kingdom. ww2dbase [Alan Turing | Bletchley Park | Milton Keynes, England | CPC]
- Winston Churchill visited the Government Code and Cypher School at Bletchley Park in Milton Keynes, Buckinghamshire, England, United Kingdom. ww2dbase [Winston Churchill | Bletchley Park | Enigma Code Broken | Milton Keynes, England | CPC]
2 Oct 1942
United Kingdom
United Kingdom
- The British codebreaking establishment at Bletchley Park and the US Navy's codebreaking department (OP-20-G) agreed to a relationship of "full collaboration". ww2dbase [Enigma Code Broken | Bletchley Park | Milton Keynes, England | AC]
22 Nov 1942
United Kingdom
United Kingdom
- The British Admiralty Operational Intelligence Centre (OIC) urged the staff of Government Code and Cypher School at Bletchley Park, Milton Keynes, Buckinghamshire, England, United Kingdom to focus on Germany's new four-rotored Enigma machines. ww2dbase [Bletchley Park | Milton Keynes, England | CPC]
13 Dec 1942
United Kingdom
United Kingdom
- The Enigma codebooks captured by HMS Petard from the sinking German submarine U-559 arrived at Bletchley Park's Hut 8 and within one hour intercepts of German submarine signals allowed the British Admiralty to instantly pinpoint the location of fifteen U-Boats. ww2dbase [Enigma Code Broken | Bletchley Park | Milton Keynes, England | AC]
20 Jun 1944
United Kingdom
United Kingdom
- German Type IXC U-Boat U-505’s cipher material arrived at Bletchley Park allowing the Allies to break most of the remaining Enigma settings. ww2dbase [The Capture of the U-505 | U-505 | Milton Keynes, England | DS]
28 Jun 1945
United Kingdom
United Kingdom
- The British Chiefs of Staff drove to Bletchley Park, where Sir Alan Brooke addressed four hundred of its staff, thanking and congratulating them for their extraordinary contribution to the Allied war effort. ww2dbase [Enigma Code Broken | Bletchley Park | Alan Brooke | Milton Keynes, England | AC]
Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, Hugh Martyr, David Stubblebine
Special Thanks: Rory Curtis
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