History

• National Capital Region – NCR
• Cordillera Administrative Region – CAR
• Autonomous Region in Muslim Mindanao – ARMM
• Mindoro, Marinduque, Romblon, Palawan – MIMAROPA
• Carbon Oxygen – Co2
• Water – H2O
• Celsius – C°
• Luzon, Visayas, Mindanao – LUZVIMINPA
• Kilogram – KG
• Height – H"
• Kataas-taasang Kagalang-galangang Katipunan – KKK