| 2026-01-22 | Country whose seven-letter name can be spelled using only one-point Scrabble tiles |
| 2024-06-23 | Country that had a nonviolent "singing revolution" in the late 1980s |
| 2024-06-22 | First country to hold elections using internet voting |
| 2024-06-19 | What's opposite Finland on the Gulf of Finland |
| 2023-04-28 | Where the first five counting numbers are "üks kaks kolm neli viis" |
| 2018-08-05 | Sharer of Russia's western border |
| 2017-05-02 | Country north of Latvia |
| 2013-01-03 | Country where marinated bear is a specialty food |
| 2012-07-19 | It broke from Russia in 1920 |
| 2012-02-09 | It's south of Helsinki |
| 2012-02-07 | Its Internet addresses end in .ee |
| 2011-02-25 | Member of the U.N. since 1991 and the E.U. since 2004 |
| 2010-11-17 | Where Skype was invented |
| 2008-08-23 | Hiiumaa Island belongs to it |
| 2007-06-10 | European Union member since 2004 |
| 2006-03-26 | Where kroons are spent |
| 2004-10-21 | Land on the Gulf of Finland |
| 2004-08-27 | Where to spend kroons |
| 2003-03-30 | 1991 joiner of the United Nations |
| 2002-03-24 | It regained independence in 1991 |
| 2001-12-10 | Land north of Latvia |
| 2001-01-07 | Independent land since 1991 |
| 2000-08-12 | Country with a blue-, black- and white-striped flag |
| 2000-05-12 | Where the kroon is spent |
| 1999-07-02 | It regained independence in 1991 |
| 1997-05-02 | Country with a blue, black and white flag |
| 1996-08-31 | Land on Lake Peipus |
| 1995-11-26 | U.N. member since 1991 |
| 1994-10-09 | Where the kroon is spent |