The "D" in "D-Day" doesn't actually stand for anything. The "D" is derived from the word "Day" and was used to communicate the day on which a particular military operation began. More »

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"WHO" stands for World Health Organization. This specialized agency within the United Nations is a leader in issues of global health, setting international standards for health care. The World Health Organization provide... More »

As it relates to St. Patrick's Day in a religious sense, the shamrock carries significance for its three leaves, which represent the Holy Trinity of Father, Son and Holy Spirit. As a holiday celebrating Irish cultural he... More »

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Some Christmas-related words in alphabetical order include "angel," "bells," "candy," "decorations" and "elf" for "A," "B," "C," "D" and "E." Teachers can use this activity during the holidays as a way for children to le... More »

Although a grade of "D" is treated as a passing grade at many colleges in the United States, there are exceptions to this rule. Some institutions have specific policies that apply when students earn a grade of "D" in a c... More »

Some famous pieces written for the flute are "Concertino" by Cecile Chaminade, "Syrinx" by Claude Debussy, "Flute Sonata in D" by Sergei Prokofiev, and "Flute Concerto in D Major" by Mozart. These are generally considere... More »

After the attack on Pearl Harbor on December 7, 1941, the United States entered World War II. On December 8, Congress declared war on Japan, and on December 11, the United States entered into war with Germany. More »