History quiz
NATO members by year joined
Twelve countries founded NATO in 1949 and 20 more have joined since. Name all 32; each lands in the year it joined.
- Format
- Type them all
- Items
- 32 answers
- Limit
- 6:00
- Level
- Medium
- Checked
- 2026.10.03
- Answers
- 32
- Time limit
- 6:00
- Order
- Any order
- Matching
- Case and accents ignored
- Type an answer; it files itself the moment it matches.
- One answer can fill several slots.
- Give up at any time to see what you missed.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Name every member country of NATO.
1949 (founders)0/12
- 1Not found yet
- 2Not found yet
- 3Not found yet
- 4Not found yet
- 5Not found yet
- 6Not found yet
- 7Not found yet
- 8Not found yet
- 9Not found yet
- 10Not found yet
- 11Not found yet
- 12Not found yet
19520/2
- 1Not found yet
- 2Not found yet
19550/1
- 1Not found yet
19820/1
- 1Not found yet
19990/3
- 1Not found yet
- 2Not found yet
- 3Not found yet
20040/7
- 1Not found yet
- 2Not found yet
- 3Not found yet
- 4Not found yet
- 5Not found yet
- 6Not found yet
- 7Not found yet
20090/2
- 1Not found yet
- 2Not found yet
20170/1
- 1Not found yet
20200/1
- 1Not found yet
20230/1
- 1Not found yet
20240/1
- 1Not found yet
About this quiz
The North Atlantic Treaty was signed in Washington, D.C. on 4 April 1949 by 12 countries. Ten rounds of enlargement since then have taken the alliance to 32 members.
- The largest single enlargement came on 29 March 2004, when seven countries joined together.
- Czechia, Hungary and Poland joined on 12 March 1999, the first former Warsaw Pact members to do so.
- Finland became the 31st member on 4 April 2023 and Sweden the 32nd on 7 March 2024.
- Germany joined in 1955 as the Federal Republic of Germany; the eastern states came in with reunification in 1990.
Sources
- [1]NATO. NATO member countries.
Note on the data. Founding members and the year of each accession follow NATO's own page on its member countries, checked on 3 October 2026. Country names follow NATO usage (Türkiye, Czechia, North Macedonia), with older and everyday names accepted.
Last checked October 3, 2026
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