1.   At least four Philippine presidents, including former dictator Ferdinand Marcos, have faced impeachment complaints, but none has reached the Senate.

2.   Corruption continued to flourish and attempts to prosecute those guilty of graft, including former dictator Suharto, mostly came to nothing.

3.   Estrada is the first Philippine president to be impeached, although motions were raised against four others, including former dictator Ferdinand Marcos.

4.   He acted as an attorney for dozens of communist fighters, including former dictator Nicolae Ceausescu, during the World War I and World War II.

5.   Three former Philippine presidents, including dictator Ferdinand Marcos, have faced impeachment complaints but none has reached the Senate.

6.   Those facing possible death sentences include ousted dictator Mengistu Haile Mariam, who is living in Zimbabwe and being tried in absentia.