Short answers, pulled from the story.
Friedrich Ebert led the Social Democratic Party of Germany during the German revolution of 1918, 1919. He agreed to transfer chancellorship from Prince Max of Baden and announced the formation of a new people's government on November 9th.
The mutiny among sailors anchored off Wilhelmshaven began with a naval order issued on the 24th of October 1918. This event triggered protests that spread across western Germany within days leading to control of large coastal cities by November 7th.
Bloody Christmas occurred when Government troops attacked the People's Navy Division stationed across from Berlin Palace on December 24th. The assault resulted in fifty-six soldiers losing their lives compared to just eleven deaths among People's Navy Division members who received backpay afterward.
An estimated death toll reached one hundred fifty-six people murdered during the violent suppression phase lasting until mid-January. Total casualties exceeded thousand two hundred lives lost nationwide including eight hundred dead Munich May fighting and about sixty Bremen February.
The constitution was ratified August eleven effective three days establishing a federal parliamentary republic. Article forty-eight granted the president power to declare state emergency issuing emergency decrees if public security threatened allowing dissolution of Reichstag for seven years.