June 1  
The New Code of Judicial Conduct for the Philippine Judiciary and the
Code of Conduct for Court Personnel take effect in 2004

June 2
June 11 is declared as Supreme Court Day in 1989 (Proc. 417)

June 11                
The Supreme Court, Courts of First Instance, and Justice of the Peace
Courts are formally organized under the Judiciary Law in 1901 (Act 136)

The Sandiganbayan is established in 1978 (PD 1486)

The Katarungang Pambarangay Law was passed in 1978 (PD 1508)

June 21                
The Bar Flunkers Act of 1953 (RA 972) is passed

Corazon J. Agrava is appointed the first woman Judge of the Court of First
Instance in 1954

The Presidential Electoral Tribunal (RA 1793) is established in 1957