| Month | Date | Event |
May | May 13th, 2024 | The Secretary-General attended the NATO 2024 Youth Summit ‘Shaping your Tomorrow’ |
| May 16th, 2024 | Upcoming Military Committee in Cheifs of Defences Session held in Brussels |
| May 18th, 2024 | Finland and Sweden submitted application to join NATO |
| May 24th-27th 2024 | NATO Parliamentary Assembly Spring Session in Sofia, Bulgaria |
| May 28th 2002 | Russia Council Rome Summit with a signed agreement between NATO and Russia on weapons of mass destruction |
| May 29th | International Day of UN Peacekeepers |
| May 27th | US Memorial Day |
| May 30th, 1982 | Spain accessend into NATO (42 years) |
| May 30-31th, 1972 | NATO Agreement on CSCE and MBFR (Security and Cooperation in Europe; members also proposed talks on Mutual Balanced Force Reductions) |
| May 1955 | West Germany joined NATO |
| May 2008 | Members (Germany, Slovakia, Lativa, Lithuania, Italy and Spain) staff and funded new cyber defence centre in Estonia to protect from Russian cyber threats |
June | June 4th, 1992 | Peacekeeping role by NATO in former Yugoslavia |
| June 5th,2017 | Montenegro joined NATO (7 years) |
| June 6th, 1944 | D-Day (80th anniversary) |
| June 12th, 1987 | Ronald Regan’s speech on the Berlin Wall |
| June 14th, 2021 | NATO 2030 agenda proposed in Brussels |
| June 18th, 2004 (until September 29th, 2004) | Operation Distingushed Games – intellegence and defence assists to Athens, Greece for the Olympic and Paralympic Games |
| June 21st (est 1996) | Canada’s National Indigenous Peoples Day, |
| June 25th, 2007 | ATO secretary-general Jaap de Hoop Scheffer mounts a stout defense of U.S. missile shield plan in eastern Europe |
| June 29-30th, 2022 | Madrid Summmit |
| June 29th, 2022 | Adoption of the NATO 2022 Strategic Concept (https://www.nato.int/nato_static_fl2014/assets/pdf/2022/6/pdf/290622-strategic-concept.pdf) |
| June 2003 | NATO Response Force developed |
| June 2020 | establishment of new Operations Plans for future crisis or pandemics |
July | July 1st, 1991 | Dissolution of Warsaw Pact |
| July 1st | Canada Day |
| July 8th, 1997 | Madrid Summit (NATO invited the Czech Republic, Hungary and Poland to begin negotiations with a view to becoming NATO members) |
| July 9th, 1997 | NATO charter on a distinctive partnership with Ukraine |
| July 10-11th, 2024 | NATO Washtington Summit |
| July 12th, 2023 | Inagural meeting of the NATO-Ukraine Council at the Vilnius Summit |
| July 25th, 1949 | US President Truman signs the Instrument of Accession, making the US a founding member of NATO |
| June 28-29th, 2004 | Istanbul Summit – increase NATO presence in Afghanistan |
| July 31st, 2006 | NATO forces take over US led coalition in Afghanistan it one of it’s toughest to date ground operations |
| June 2005 (to December 2007) | NATO assisted with the African Union Mission in Sudan (AMIS) peacekeeping effort via transport and training |
August | August 1st, 1995 | NATO launches operation against Bosnian Serbs in Sarajevo |
| August 1st, 1957 | NORAD formed |
| August 11th, 2003 | NATO takes command of Kabul peacekeeping in Afghanistan |
| August 14th, 1949 | Belgium, Canada (ratified May 3), Denmark, France, Iceland, Italy (ratified August 24th), Luxembourg, the Netherlands, Norway, Portugal, the UK, and the USA admitted to NATO (75 years) |
| August 17th, 2009 | OperationOcean Shield approved, focusing on at-sea counter-piracy operations off the Horn of Africa. |
| August 22nd, 2001 | NATO operation to Macedonia to protect peace monitors |
| August 2003 | NATO takes cover command of ISAF (International Secuirty Assitance Force) in Kabul |
September | September 2nd, 1945 | End of the Second World War |
| September 5th, 2014 | Wales Summit Declaration |
| September 9th, 2005 (until October 2nd, 2005) | Hurricane Katrina relief coordinated by NATO members to aid the USA |
| September 11th, 2001 | First Time NATO’s Article V was used in response to the 9/11 attacks |
| September 11-15th, 2023 | NATO Communicators Conference in Paris |
| September 17th, 1949 | First North Atlantic Council Session |
| September 28,2023 | Secretary General visited Kyiv, Ukraine |
October | October 4th, 2001 | Operation active endeavour began in the mediterranean to combat terrorist movement in response to 9/11 |
| October 11th, 2005 | NATO assisted Paksitani earthquake relief effort (one of NATO’s largest humanitarian relief initiatives) |
| October 16th, 1967 | NATO Headquaters opened in Brussels |
| October 31st, 2011 | The NATO-led Operation Unified Protector in Libya is terminated after completing its objectives |
| October 2001 (to May 2002) | NATO’s first counter terrorism operation ( Operation Eagle Assist ) in response to 9/11 |
November | November 8th | Indigenous Veterans Day (Canada) |
| Novemeber 9th, 1989 | Fall of the Berlin Wall |
| November 9th, 2020 | NATO’s first ever Youth Summit in the framework of the NATO 2030 Initiative hosted in Munich |
| November 11th, 1918 | End of the First World War – Armistice Day // Remembrance Day (Canada) // Veterans Day (USA) |
| Novemener 19th, 1990 | Joint declaration on non-aggression (CFE treaty signed in Paris) |
| November 28-29th, 2006 | Riga Summit in Latvia (focused on energy security concerning the Russia/Ukraine gas dispute) |
| November 30th, 2021 | NATO’s outlook towards 2030 and beyond event ( Riga Public Diplomacy Conference in Latvia) |
| November 30th, 2021 | Canada hosts Fall 2021 NATO Innovation Challenge (https://www.canada.ca/en/department-national-defence/campaigns/fall-2021-nato-innovation-challenge.html) |
Decemeber | December 6th | The National Day of Remembrance and Action on Violence Against Women (Canada) |
| December 7th, 1941 | Pearl Harbour attack |
| December 13-14th, 1967 | Harmel Report and Flexible Response – adoption of detererance and flexibility |
| December 16th, 1997 | Operation Joint Endeavor – largest military operation in support of the Bosnia Peace Agreement |
| December 17th, 1992 | Peacekeeping Operations under UN authority in former Yugoslavia |
| December 19th, 1950 | Dwight Eisenhower became NATO’s first Supreme Allied Commander |
| Deceember 20th, 1991 | Inaugural meeting of the North Atlantic Cooperation Council (1991-1997) |
| Decemeber 1995 | NATO’s first crisis response operation in Bosnia |
| End of 2024 | NATO Climate Change and Security Centre of Excellence (CCASCOE) opened its doors in Montreal in late 2023. |
2024 | 75th anniversay | NATO Accord signed (1949) |
| 72 years in NATO | Greece and Turkey (1952) |
| 42 years in NATO | Spain (1982) |
| 25 years in NATO | Czech Republuc, Poland, and Hungary |
| 20 years in NATO | Bulgaria, Estonia, Latvia, Lithuania, Romania Slovakia, and Slovenia |
| 15 years in NATO | Albania and Croatia |
| 7 Years in NATO | Montenegro |
| 2 years in NATO | North Macedonia (30th member) |
| First year in NATO | Sweden |
| 25 years since… | The Membership Action Plan (MAP) was launched in 1999 to assisted the integration of new member states |
| 10 years since… | Withdrawal of Canada from Afghanistan |
| 10 years since… | Russia annexed Crimea (Ukraine) |
| 30 Year anniversary… | Creation of the NATO Partnership for Peace in 1994 (January) |
| 100 years of service | of the Royal Canadian Air Force (RCAF) |
