The world in 1457 BC — what happened that year

8 events the sources record for this year, grouped by region.

What happened

Year 23, 9th month: Thutmose III's army reached Gaza, spent the coronation anniversary there, then set out (Breasted's itinerary §409, 'Gaza: coronation anniversary'). (Breasted, Ancient Records of Egypt ARE II §409, §417)
Came out of the mountain pass and camped on the plain of Megiddo. (Breasted, Ancient Records of Egypt ARE II §428-429)
Battle of Megiddo: Thutmose III defeated the enemy; the defeated were hauled up into the city by their garments. (Breasted, Ancient Records of Egypt ARE II §430)
Siege of Megiddo: he measured the circuit around the city, built a thick wall, and named it 'the place encircled by Thutmose III.' (Breasted, Ancient Records of Egypt ARE II §433)
Surrender of Megiddo: Thutmose III showed mercy to its people. (Breasted, Ancient Records of Egypt ARE II §440-442)

The army arrived at Yehem. (Breasted, Ancient Records of Egypt ARE II §418)
Military council at Yehem: heard the report that the king of Kadesh had entered Megiddo, and debated which road to take. (Breasted, Ancient Records of Egypt ARE II §419-424)
After the fall of Megiddo, Thutmose III marched into Lebanon (according to Breasted). (Breasted, Ancient Records of Egypt ARE II §436)