The National Cathedral hosted the South-Central Luzon (SCL) regional celebration of the 107th Proclamation Anniversary of the Iglesia Filipina Independiente on August 3, 2009 under the theme, “Hold fast to what we have attained” (Philippians 3:16). The hosting of regional celebration is an integral part of the eight months-long National Cathedral 40th (Ruby) Anniversary celebrations which was launched on May 10, 2009.