Mozambique Islamic State Insurgency

About 8 years
2017 → insurgency began
2018–2024 → continued attacks
Dec 2025 → intensified again

Thailand – Cambodia

About 3–4 weeks
Early December 2025 → fighting began
Mid December 2025 → clashes continued

Russia vs Ukraine

3 years and 10 months

Israel – Gaza

About 2 years and 2 months
October 7, 2023 → war escalated
2024–2025 → continued clashes