Last Updated: February 26, 2015, 23:41 IST
Slovakia was a part of Czechoslovakia and it officially became a separate country on January 1, 1993.
Eritrea was annexed by Ethiopia in 1952 leading to an independence struggle that finally resulted in independence on May 24, 1993.
After decades of communist rule Czechoslovakia became a democracy in November 1989 and on January 1, 1993 the country peacefully split into two Czech Republic and Slovakia.
After the break up of Yugoslavia, Serbia was a part of Serbia and Montenegro from 1992 to 2006. In 2006 Montenegrins voted on an independence referendum leading to the formation of two separate countries, Serbia and Montenegro.
Montenegro declared its independence from Serbia and Montenegro on June 3, 2006 following a referendum.
After decades as part of the UN Trust Territory of the Pacific under US administration, Palau, an island nation in the Pacific, formally gained independence on October 1, 1994.
Since 1990 over 30 new countries have been added to the world map. About a half of the new countries were born as a result of the disintegration of the USSR. There were no new additions to the international maps of North and South America in the last two decades. Most of the new nations of the world are in Europe. The Asian, African and Australian continents have also added new countries. Here are the latest 10.
South Sudan is all set to become the world's newest country on July 9, 2011 following a referendum held from January 9-15, 2011. The preliminary results of the referendum indicated that an overwhelming majority (98 per cent) voting for a separate country.
Timor-Leste, also referred to as East Timor, had first declared independence in 1975 from Portuguese rule but was annexed by Indonesia soon after. One of the two Roman Catholic dominated countries in Asia (the other is Philippines), Timor-Leste, regained its independence on May 20, 2002. It was the first country to be born in the 21st century.
Kosovo was declared as an independent country on February 17, 2008. Kosovo was a part of the former Yugoslavia and following the disintegration of Yugoslavia, it became a part of Serbia as an autonomous province. Following a long and violent struggle for independence, Kosovo was placed under transitional UN administration. The independence of Kosovo is still disputed and many countries, including India, Russia and Serbia have not recognised Kosovo.
Bosnia and Herzegovina declared independence from the former Yugoslavia on March 3, 1992 following a referendum that was boycotted by ethnic Serbs. The referendum resulted in the Bosnian War that ended in 1995.