A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
1955年4月19日， 周恩来 先后在全体会议上作了发言和补充发言，提出了“求同存异”方针。 他说，根据互相尊重主权和领土完整、 互不侵犯 、 互不干涉内政 、 平等互利 的原则，社会制度不同的国家是可以实现和平共处。
1955年 是一个 平年，第一天是 星期六。 毕阙博士（Henry K. Beecher）提出了至今仍困扰著科学家的迷团： 安慰剂效应。 [1] 东海大学 成立，为台湾第一所私立大学。 国立艺术学校 成立，为 国立台湾艺术大学 的前身。 设立 影剧 、国剧、美术印刷三科。 《世界版权公约》生效。 1月1日 —— 光明日报 编排方式改为由左至右横排。 上海《每周广播电视报》创刊. 1月2日 —— 南斯拉夫社会主义联邦共和国 与 中华人民共和国 建交。 1月3日 —— 中国足球协会 成立。 1月15日 ——中国启动代号为“02”的 核武器 研制计划。 1月18日 —— 一江山战役 开始。 1月20日 ——解放军猛犯 一江山战役，守军奋战，全部壮烈。 [2]: 79.
1955年3月21日至31日，中共中央召开全国代表会议。 在主席台上的是（自左至右）：彭真、董必武、张闻天、陈云、周恩来、刘少奇、毛泽东、朱德、林伯渠、康生、彭德怀。 4月3日 上海市常务副市长潘汉年在北京出席中共全国代表大会时被公安部突然宣布逮捕。
1955年GDP：910.0亿元，比上年增长6.8%。 其中第一产业：421.0亿元；第二产业：222.2亿元；第三产业：255.3亿元。 这些事件在政治、经济、军事等方面都具有重要意义，对中国的发展产生了深远的影响。
Lionel Terray and Jean Couzy become the first people to reach the summit of Makalu, the fifth highest mountain in the world, on the 1955 French Makalu expedition.
【出生】 [9月27日] 艾伟（1890～1955），中国近现代著名心理学家 【逝世】 [10月7日] 国际顶尖的旅美华裔大提琴家马友友出生。 【出生】 [10月26日] 奥地利宣布永久中立。 [11月1日] 戴尔·卡内基，美国大众心理学家、作家、演说家、教育家。 【逝世】
Historical events from year 1955. Learn about 461 famous, scandalous and important events that happened in 1955 or search by date or keyword.
What Happened in 1955? Be the first to commment on this article.
1955年发生了诸多具有重大意义的历史事件，涉及政治、军事、经济、文化等多个领域： 政治方面：3月21 31日，中共全国代表会议举行，通过多项决议，成立中央和地方监察委员会；4月4日，中共七届五中全会批准相关决议和人选；7月1日，全国开展肃清暗藏反革命分子运动；10月4 11日，中共七届六中全会通过农业合作化等决议；10月，推动私营工商业社会主义改造。 军事方面：1月18日，解放军解放一江山岛；2月，大陈岛及外围列岛解放，浙江沿海岛屿全部解放；7月30日，《中华人民共和国兵役法》公布，1956年起解放军由志愿兵役制改为义务兵役制；9月，解放军实行军衔制度，27日举行授元帅、将官军衔及勋章典礼。
From political shifts and technological advancements to cultural breakthroughs, these events shape the world and influence the future. In this comprehensive overview, we'll explore the most significant occurrences from 1955, highlighting key moments that continue to impact our lives today.
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