Military > NATO > Current members > Date: Countries Compared
| COUNTRY | DESCRIPTION |
|---|---|
| Belgium | April 4 1949 |
| Bulgaria | 29 March 2004 |
| Canada | April 4 1949 |
| Czech Republic | 12 March 1999 |
| Denmark | April 4 1949 |
| Estonia | 29 March 2004 |
| France | April 4 1949 |
| Germany | 9 May 1955 |
| Greece | 18 February 1952 |
| Hungary | 12 March 1999 |
| Iceland | April 4 1949 |
| Italy | April 4 1949 |
| Latvia | 29 March 2004 |
| Lithuania | 29 March 2004 |
| Luxembourg | April 4 1949 |
| Netherlands | April 4 1949 |
| Norway | April 4 1949 |
| Poland | 12 March 1999 |
| Portugal | April 4 1949 |
| Romania | 29 March 2004 |
| Slovakia | 29 March 2004 |
| Slovenia | 29 March 2004 |
| Spain | 30 May 1982 |
| Turkey | 18 February 1952 |
| United Kingdom | April 4 1949 |
| United States | April 4 1949 |
