bleeding Kansas (3 h 58 m, 1 jun 1854 ano – 2 h 30 m, 1 jan 1861 ano)

bleeding Kansas is when the border of the both of them stated to fight and killed many people ,

3 h 58 m, 1 jun 1854 ano

2 h 30 m, 1 jan 1861 ano

~ 6 years and 7 months