NATO Day

{{Short description|Annual observance commemorating the founding of NATO}}

{{For|the security show in the Czech Republic|NATO Days in Ostrava}}

{{Infobox holiday

| holiday_name = NATO Day

| type = observance

| image = US Embassy Skopje lit blue for 2020 NATO Day.jpg

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| caption = U.S. Embassy in Skopje lit blue for 2020 NATO Day

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| observedby = North Macedonia, Romania, Lithuania

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| begins =

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| date = 4 April

| scheduling = same day each year

| duration = 1 day

| frequency = Annual

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The NATO Day is a day commemorating the founding of NATO by the signing of the North Atlantic Treaty on 4 April 1949. It is celebrated in all Allied countries, including, but not limited to, North Macedonia{{cite web|url=https://mk.usembassy.gov/remarks-euro-atlantic-council-macedonias-press-conference-nato-day/|title=Remarks at the Euro-Atlantic Council of Macedonia's Press Conference for NATO Day - U.S. Embassy in Macedonia|date=4 April 2017|publisher=}}{{cite web|url=https://www.atamacedonia.org.mk/en/media-centre-/speeches/443-govor-na-ismet-ramadani-za-nato-denot-4-april|title=Speech by Ismet Ramadani, NATO day - 4th of April|last=Administrator|website=www.atamacedonia.org.mk}} and marked on the first Sunday of April in Romania (where the holiday is known as {{lang|ro|Ziua NATO}}).{{cite web|url=http://english.mapn.ro/military_calendar/|title=Military Calendar|website=Ministry of National Defence}}{{cite web|url=https://nato.mae.ro/en/node/384|title=Public Diplomacy - ROMANIA'S PERMANENT DELEGATION to NATO|website=nato.mae.ro}}{{cite web|url=http://www.romaniajournal.ro/update-nato-day-celebrated-in-romania-president-iohannis-well-be-next-to-our-allies/|title=Update: NATO Day – celebrated in Romania. President Iohannis: We'll be next to our allies - The Romania Journal|website=www.romaniajournal.ro}}[http://www.afahc.ro/en/events/20160402_ziua_NATO_en.html "Academia Fortelor Aeriene - Events"] However, in Lithuania it is celebrated on 29 March, in honor of its accession to NATO in 2004.