Sprinkle chicken pieces with salt, pepper,and flour.
Heat olive oil in heavy large potover medium-high heat.
Add half of chickenpieces to pot and cook until browned onall sides, turning occasionally, about 15minutes.
Transfer chicken to baking sheetor platter; repeat with remaining chicken.
Pour off all but 2 tablespoons fat from potand discard. Reduce heat to medium.
Addshallots to pot; sauté until golden, about6 minutes.
Add cinnamon sticks, ginger,cumin, turmeric, and cayenne. Stir untilfragrant, about 1 minute. Increase heat tohigh; add broth and 3 tablespoons lemonjuice. Bring to boil; reduce heat to low, cover,and simmer until shallots begin to soften,about 18 minutes.
Place chicken pieces atopshallots in pot. Bring to boil over mediumheat. Reduce heat to medium-low, cover,and simmer until juices run clear whenthickest part of drumstick is pierced withknife, about 25 minutes.
Transfer chicken and shallots to platter;tent with foil. Boil juices in pot until slightlythickened. Stir in dates and remaining2 tablespoons lemon juice. Reduce heatand simmer gently until dates are heatedthrough, about 2 minutes.