| 15 December | Argentine military starts planning an invasion |
| February | Argentine marines train for the invasion in Patagonia |
| 9 March | Argentine Junta receives first draft of invasion plan |
| 19 March | Argentine scrap workers raise Argentine flag on South Georgia |
| 27 March | Royal Fleet Auxiliary support ships Appleleaf and Fort Austin head to the South Atlantic |
| 28 March | Argentine invasion force departs Argentina |
| 29 March | Thatcher sends nuclear submarines south as show of force |
| 31 March | Thatcher authorizes planning for deployment of forces |
| 2 April | Argentine forces land and capture Stanley on East Falkland then South Georgia |
| 2 April | Thatcher addresses Parliament; Britain announces deployment for Operation Corporate and Royal Navy ships in the Mediterranean start heading south |
| 3 April | British support unit flies from UK to Ascension Island; First cargo planes start arriving Ascension |
| 4 April | Queen signs order to requisition ships from trade; Sea-going tug Typhoon heads south from UK |
| 5 April | First warships leave the UK and link up with Landing Ships Logistic |
| 6 April | Aircraft carriers HMS Hermes and HMS Invincible depart UK; Amphibious Task Force with Land Force starts departing UK; Cruise ship Canberra arrives in UK for modifications |
| 9 April | Canberra, the first ship taken up from trade and modified, departs with 2500 troops |
| 12 April | Britain announces first Exclusion Zone around Falklands |
| 16 April | British Royal Air Force starts reconfiguring C-130s for air-to-air refueling and thereafter trains pilots |
| 17 April | British Task Force leaders meet at Ascension Island; Logisticians start reconfiguring supplies on ships and moving supplies to ships from Ascension Island |
| 18 April | Carrier Battle Group heads south from Ascension |
| 25 April | British forces recapture South Georgia |
| 1 May | Landing Ships Logistic head south from Ascension; British Vulcan bomber from Ascension conducts first bombing run near Stanley |
| 2 May | British submarine Conqueror sinks Argentine cruiser General Belgrano |
| 4 May | Argentine pilots hit British destroyer HMS Sheffield with an Exocet missile, and Sheffield later sinks |
| 7 May | 2 Para arrives Ascension Island aboard Norland to reinforce the Land Force; Amphibious Task Force with Land Force departs Ascension |
| 12 May | First C-130 configured for air-to-air refueling drops 1,000 lbs of supplies to HMS Antelope in a trip covering 6,300 nautical miles; 5 Infantry Brigade deploys from the UK aboard QE2 |
| 19 May | Units cross-deck at sea from Canberra to other ships because of concerns of troop concentration on the cruise ship |
| 21 May | Amphibious Task Force arrives off San Carlos and Land Force secures beachhead; Argentine planes attack the British, sinking HMS Ardent and damaging many other ships; QE2 passes Ascension with 5 Brigade aboard |
| 23-24 May | Argentine planes return, damage three Landing Ships Logistic and other ships, eventually sinking HMS Antelope |
| 25 May | Argentine planes sink Atlantic Conveyor with an Exocet missile and HMS Coventry |
| 27 May | 3 Para and 45 Commando start marching across East Falkland; 2 Para starts toward its start line to attack Goose Green; Argentine planes bomb the Brigade Maintenance Area; QE2 arrives South Georgia and work commences to offload |
| 28 May | QE2 heads back to UK with many supplies for 5 Brigade still aboard |
| 29 May | 2 Para captures Goose Green and takes a thousand prisoners |
| 30 May | Chinook helicopter lifts 42 Commando to Mount Kent; Major General Moore and others arrive San Carlos aboard HMS Fearless |
| 31 May | Landing craft from HMS Intrepid move supplies forward to Teal Inlet |
| 1 June | First Landing Ship Logistic arrives at Teal Inlet; 5 Brigade units arrive and start disembarking at San Carlos |
| 2 June | 2 Para seizes Swan Inlet and then advances to Fitzroy |
| 5 June | Ships start moving more troops and supplies toward Fitzroy |
| 8 June | Argentine pilots attack LSLs Galahad and Tristram at Fitzroy |
| 11 June | Forward buildup complete, the battle for the mountain starts |
| 12 June | Exocet missile strikes HMS Glamorgan; Seventh and final Vulcan bombing mission takes place |
| 14 June | Argentines in Stanley surrender |
| 15 June | British start restoring order and services in Stanley and elsewhere on East and West Falkland |
| 24 June | First British C-130 cargo plane lands in Stanley |
| 25 June | First British units start redeploying to the UK |
