A holiday developed by a Dr. Maulana Ron Karenga, a black militant, Marxist, and convicted felon. Just five years after this, he was convicted of torturing two black women to death. Observed from December 26 to January 1, Kwanzaa is based on a mixture of East African harvest rituals, called first fruits by Karenga and 1960's radicalism. This is in spite of the fact most slaves came from West Africa. Viewed as an alternative to Christmas, it, nonetheless, is based on race, and not in faith.
Josephine Garis Cochran was the first person to build a practical dish-washing machine, succeeding where some had tried and failed. And it was the chore of washing dishes by hand and trying to save her good china from breaking that caused her to proceed with an idea to invent a unique machine.
Refrigeration, air conditioners, and washing machines are all appliances that today we could barely do without! WASHING MACHINE â 1920s â. The invention of the washing machine saved housewives from the burden of laundry.Previously, one load of laundry could take 50 gallons of water.The first washing machines were invented in the mid 1800âs, but in the 1920âs, many improvements were made to keep clothes from being shredded in the wash, making it a more realistic tool.efrigeration, air conditioners, and washing machines are all appliances that today we could barely do without! WASHING MACHINE â 1920s â. The invention of the washing machine saved housewives from the burden of laundry.