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..
Best Answer: Black History Month is celebrated annually in the United States in the month of February. Carter G. Woodson chose the second week of February for ***** History Week in 1926 because it marks the birthdays of two men who greatly influenced the black American population, Frederick Douglass and Abraham Lincoln. Later on in 1976, as the nation reached its bicentennial, the week was expanded into an entire month.