In FRIEND coding: Each letter's position in alphabet is reduced by a specific pattern. For GARDEN: G(7→1), A(1→1), R(18→7), D(4→5), E(5→2), N(14→8) following the same encoding rule.

The Adichanallur archaeological site in Tamil Nadu was discovered in 1904, confirming pre-Vedic Tamil civilization.

M. Karunanidhi implemented the Mid-Day Meal Scheme comprehensively across Tamil Nadu schools.

Manufacturing and IT services combined form the largest revenue-generating sector for Tamil Nadu's economy in 2024.

Alternate letters are shifted: S→T, T→S, R→S (R+1), E→D (E-1), N→O, G→H, T→S (T-1), H→F (H-2). Wait, this requires verification of exact pattern.

M. Karunanidhi's government pioneered the Midday Meal Scheme in Tamil Nadu schools, which later became a national program.

Rajendra Chola I (1014-1042 CE) expanded the Chola maritime empire to Southeast Asia and even invaded Sri Lanka, reaching the peak of naval power.

Narasimhavarman I (630-668 CE), also called Mamalla, is credited with the creation of the famous Five Rathas at Mahabalipuram.

Arikamedu near Pondicherry shows evidence of Roman pottery and artifacts, indicating active trade between Tamil kingdoms and the Roman Empire.

Nedunchezhiyan is mentioned in the Sangam literature as having established significant maritime trade relations with the Roman Empire during the Pandya dynasty.