历史上的今天  ３月１９日 Today in History  March 19

    １９４４年３月１９日，郭沫若在纪念李自成领导农民起义３００周年之际撰写的《甲申三百年祭》在《新华日报》上发表，连载４天。文章受到中共中央的重视，毛泽东多次指出，要从李自成起义的历史中吸取经验教训，并批示将《甲申三百年祭》作为中共整风的文件之一。

    March 19, 1944,Guo written the occasion of the commemoration of the 300th anniversary of the Li Zicheng led a peasant uprising[Monkey three hundred years]In[Xinhua Daily]Published,Serial 4 days.Article by the CPC Central Committee 's attention,Mao Zedong pointed out many times,Lessons learned from the history of Li Zicheng uprising,And instructions will[Monkey three hundred years]As one of the documents of the CPC rectification.

    这是1986年，陈景润（左一）与著名数学家王元、杨乐、张广厚一起研究数论问题。 新华社发

    1986,Chen's(Left)Famous mathematician Wang Yuan/Yang Le/ZHANG Guang - thick together to study the problem of number theory. Xinhua News Agency issued

    １９９６年３月１９日，中科院院士、著名数学家、中国科学院数学研究所研究员陈景润逝世，终年６３岁。１９７３年发表著名论文《大偶数表为一个素数与不超过两个素数乘积之和》（即“１＋２”），其中证明了两个结论。这两个结论把２００多年来人们未曾解决的哥德巴赫猜想的证明大大推进一步，在国际上被称为“陈氏定理”。

    March 19, 1996,Academician of Chinese Academy of Sciences/Famous mathematician/Researcher at the Institute of Mathematics of the Chinese Academy of Sciences , the death of Chen's,The age of 63.1973 published his famous paper[Even-numbered table is a prime number does not exceed the product of two prime numbers and](That"1 +2"),Which proved two conclusions..These two conclusions greatly push further 200 years people did not solve the Goldbach conjecture,To be called"Chen's theorem".

    ２０００年３月１９日，著名作曲家、音乐理论家李焕之在北京逝世，享年８１岁。李焕之创立了中央民族乐团，历任中央歌舞艺术委员会主任，中央民族乐团团长，中国音乐家协会副主席、主席。他创作的合唱曲《保卫祖国》《青年颂》《我们齐声歌唱》《社会主义好》，交响乐《春节组曲》《第一交响曲》等在我国广为流传。

    March 19, 2000,Famous composer/The music theorist Li Huanzhi died in Beijing,At the age of 81.The Li Huanzhi founded the Central Nationalities Orchestra,Former director of the Central Commission for song and dance,Central Nationalities Orchestra,Vice - Chairman of the Chinese Musicians Association/Chairman.He created the choral[Defend the motherland][Young Chung][We sing in unison][Socialism],Symphony[Spring Festival Suite][First Symphony]And other widely circulated in China.

    ２００４年３月１９日，中国第一个下一代互联网主干网在北京正式开通并提供服务，连通了上海、广州和北京３个城市，铺设了６０００公里的高速光纤，是当时所知世界上规模最大的采用纯ＩＰｖ６技术的下一代互联网主干网。 （新华社记者王沛、王茹）

    March 19, 2004,China's first next-generation Internet backbone officially opened in Beijing and provide services,Connectivity in Shanghai/Guangzhou and Beijing in three cities,The laying of 6,000 km of high-speed fiber-optic,Known at the time the world's largest pure IPv6 technology next - generation Internet backbone. (Xinhua News Agency reporter Wang Pei/Wang Ru)