Portal:Autumn

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The Autumn Portal

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Autumn, also known as fall in North American English, is one of the four temperate seasons. Autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March (Southern Hemisphere), when the duration of daylight becomes noticeably shorter and the temperature cools down considerably. One of its main features is the shedding of leaves from deciduous trees.

Some cultures regard the autumnal equinox as "mid-autumn", while others with a longer temperature lag treat it as the start of autumn. Meteorologists (and most of the temperate countries in the southern hemisphere) use a definition based on Gregorian calendar months, with autumn being September, October, and November in the northern hemisphere, and March, April, and May in the southern hemisphere.

In North America, traditionally autumn starts on September 21 and ends on December 21. It is considered to start with the September equinox (21 to 24 September) and end with the winter solstice (21 or 22 December). Popular culture in the United States associates Labor Day, the first Monday in September, as the end of summer and the start of autumn; certain summer traditions, such as wearing white, are discouraged after that date. As daytime and nighttime temperatures decrease, trees shed their leaves. In traditional East Asian solar term, autumn starts on or around 8 August and ends on or about 7 November. In Ireland, the autumn months according to the national meteorological service, Met Éireann, are September, October and November. However, according to the Irish Calendar, which is based on ancient Gaelic traditions, autumn lasts throughout the months of August, September and October, or possibly a few days later, depending on tradition. In Australia and New Zealand, autumn officially begins on 1 March and ends on 31 May.

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The Yom Kippur War, Ramadan War or October War (Hebrew: מלחמת יום הכיפורים‎; transliterated: Milkhemet Yom HaKipurim or מלחמת יום כיפור, Milkhemet Yom Kipur; Arabic: حرب أكتوبر‎; transliterated: ħarb October or حرب تشرين, ħarb Tishrin), also known as the 1973 Arab-Israeli War and the Fourth Arab-Israeli War, was fought from October 6 to October 26, 1973 by a coalition of Arab states led by Egypt and Syria against Israel. The war began with a surprise joint attack by Egypt and Syria on Yom Kippur, the Jewish day of atonement. Egypt and Syria crossed the cease-fire lines in the Sinai and Golan Heights, respectively, which had been captured by Israel in 1967 during the Six-Day War. The Egyptians and Syrians advanced during the first 24–48 hours, after which momentum began to swing in Israel's favor. By the second week of the war, the Syrians had been pushed out of the Golan Heights. In the Sinai to the south, the Israelis struck at the seam between two invading Egyptian armies, crossed the Suez Canal (where the old ceasefire line had been), and cut off the Egyptian Third Army just as a United Nations cease-fire came into effect.

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Remembrance Day also known as Poppy Day, Armistice Day (the event it commemorates), or Veterans Day is a day to commemorate the sacrifices of members of the armed forces and of civilians in times of war, specifically since the First World War. It is observed on 11 November to recall the end of World War I on that date in 1918. The day was specifically dedicated by King George V, on 7 November 1919, to the observance of members of the armed forces who were killed during war; this was possibly done upon the suggestion of Edward George Honey to Wellesley Tudor who established two ceremonial periods of remembrance based on events in 1917.

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Autumn leaf colors

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