Hot black oxide can be done from generic mixtures of caustic soda, sodium nitrite / nitrate, wetting agents and stabilizers or from proprietary mixes. The result of the process is an attractive but very thin and marginally corrosion-resistant, dark black iron oxide finish.
Negro History Week (1926). The precursor to Black History Month was created in 1926 in the United States, when historian Carter G. Woodson and the Association for the Study of Negro Life and History announced the second week of February to be Negro History Week..
By Jennifer Rosenberg. Black History Month is a month set aside to learn, honor, and celebrate the achievements of black men and women throughout history. Since its inception, Black History Month has always been celebrated in February. Find out how Black History Month originated, why February was chosen, and what the annual theme for Black History Month is for this year.