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The officially recognized date of Children's Day varies from country to country. Children's Day is celebrated on 1 June in former Soviet Union states (including Armenia, Azerbaijan, Belarus, Estonia, Georgia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine, … 詳細
Children's Day is a commemorative date celebrated annually in honour of children, whose date of observance varies by country. In 1925, International Children's Day was first proclaimed … 詳細
Origins
Children's Day began on the second Sunday of June in 1857 by Reverend Dr. Charles Leonard, pastor of the Universalist Church of the Redeemer in Chelsea, Massachusetts: Leonard held a special service dedicated to, and … 詳細Africa
Cameroon
In Cameroon, Children's Day was established as a holiday in … 詳細• Media related to Children's Day at Wikimedia Commons
• Universal Children's Day on United Nations website 詳細CC-BY-SA ライセンスに準拠した Wikipedia テキスト An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs.
Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and other resources.Wikipedia · CC-BY-SA ライセンス について表示されるテキスト- 推定読み取り時間:10 分
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