Two million people formed a human chain spanning 675.5 kilometers connecting the three Baltic capital cities of Vilnius, Riga, and Tallinn on August 23, 1989. This marked the 50th anniversary of the Molotov-Ribbentrop Pact between the Soviet Union and Nazi Germany. Known as the Baltic Way, the peaceful protest helped publicize the Baltic cause around the world and symbolized the solidarity of the Baltic peoples.

2. The Baltic Way or Chain of Freedom
Peaceful demonstration that occurred on 23 August 1989.
It marked the 50th anniversary of the Molotov–Ribbentrop
Pact(1939) between the Soviet Union and Nazi Germany.
Molotov–Ribbentrop Pact The Baltic Way

3. Human Chain
The chain connected the three
Baltic capitals – Vilnius, Riga,
and Tallinn.
Approximately two million people
joined their hands to form a human
chain spanning 675.5 kilometers.

6. Aftermath
The human chain helped to publicize the Baltic cause around the
world and symbolized solidarity among the Baltic peoples.
This protest was one of the earliest and longest unbroken human
chains in history.
Documents recording the Baltic Way were added to UNESCO's Memory
of the World Register in 2009 in recognition of their value in
documenting history.

7. Sources
https://en.wikipedia.org/wiki/Baltic_Way
http://www.thebalticway.eu/en/history/
https://www.youtube.com/watch?v=CNVQvZfz3G0
http://www.balticway.net/
http://thecelotajs.com/latvia-50years/The-Baltic-Way-or-Baltic-
Chain.php

8. Thanks for attention.