If you're looking for manga similar to Jeanne D'Arc, you might like these titles.
Guided by visions of La Pucelle (the name given to Joan by followers), Emil seeks to unite France under the divine rule of the King. In her quest, Emil goes to the same places Joan had traveled through, and gains her own followers in the process. However, Emil is opposed by the dauphin Louis, a brute enforcer who fears no divine power and wishes to make his own bid to rule the country.
The setting is 15th century France. A girl named Cerisier, coming from a poor, rural family, sets out to the capital to seek work. On her way there she unexpectedly acquires an oversized sword, the Zweihander. Guided by the girls she met at the capital, she decides to set her sights on becoming a female knight. Everything carries a fresh sense of excitement to her, whether it’s her first glance at weapons and armor, her life in the capital, or the instruction she receives at the Girls Knight Academy. This is the bright, shining life she spends with those sharing the same dream as her!