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2. It borders the Russian exclave of Kaliningrad
3. Has a larger part of ethnic Russians
While Lithuania's population is 5,8% Russian, Latvia's population is 25,2%
4. It is a member of NATO
Both joined on March 29, 2004
6. It used to form a commonwealth with Poland
This commonwealth existed from 1569 to 1795
7. Its capital is Vilnius
8. It restored its independence from Soviet Russia earlier
While Latvia restored the independence in August 1991, Lithuania did so on March 11, 1990
9. Is the first country in the world with a Head of Government from the Green Party
In February 2004, Indulis Emsis was appointed head of government in Latvia and is the first Green politician who did so
10. In January 1991, 14 civilians were killed by the Soviet military especially around the TV tower in the capital of this country
There were similar events in Latvia
11. The first Grand Duke of this country was called Mindaugas
12. Used to be part of the Swedish Empire (partly)
From 1560 to 1815, Riga was the capital of Swedish Livonia (=Latvia)
13. Until 2015, Litas used to be the currency of this country
14. Borders the Baltic Sea
15. Its flag features three colours
While Latvia's flag features dark red and white, Lithuania's flag features green, yellow and red