King Sena I
Reign: 833–853 CE
Kingdom: Anuradhapura Kingdom
Country: Sri Lanka
Sena I (833–853 CE) governed for twenty years (note chronological overlap with Dappula II in sources, indicating possible co-regency or textual ambiguity). His lengthy tenure enabled hydraulic and monastic investment, sustaining irrigation networks and temple patronage. Chronicles emphasize stability and piety.