Students initiated a major demonstration in 1968 over two main issues.
These were the first major demonstrations against the Nixon administration's handling of the war.
At least four major antiwar demonstrations have been held there since January 2003.
Two major union-organised demonstrations through the city centre were to start after 10am.
The last major demonstration called by the working class in the capital city goes way back two decades ago.
The students are planning a major demonstration for tomorrow.
This move lead to another major demonstration in many parts of the country but again it was put down by the army and the police.
To have maximum impact, that would need to be the first major demonstration.
The monks have led three major demonstrations since Sept. 27, in which at least 14 people were killed.
Other major demonstrations worth noting were in 1997 and 2003.