If you mean all those catapult builds finishing, you're producing them this turn. They appear at end of turn and would be available for defense during other people's turns.
Civilization IV: 21 (Bismarck of Mali), 29 (Mao Zedong of Babylon), 38 (Isabella of China), 45 (Victoria of Sumeria), PB12 (Darius of Sumeria), 56 (Hammurabi of Sumeria), PB16 (Bismarck of Mali), 78 (Augustus of Byzantium), PB56 (Willem of China)
Hearthstone: ArenaDrafts Profile No longer playing Hearthstone.
Hearthstone: ArenaDrafts Profile No longer playing Hearthstone.