Leaderboard
10,033 things · 153 votes cast · add yours
All | Arts | Biology and health sciences | Everyday life | Geography | History | Mathematics | People | Philosophy and religion | Physical sciences | Society and social sciences | Technology
| # | Thing | Description | Topic | For | Against | Net | |
|---|---|---|---|---|---|---|---|
| 101 | 1911 Revolution | End of Qing dynasty in China | History | 0 | 0 | 0 | |
| 102 | 1931 China floods | Series of devastating floods | History | 0 | 0 | 0 | |
| 103 | 1970 Bhola cyclone | North Indian Ocean cyclone | History | 0 | 0 | 0 | |
| 104 | 1973 oil crisis | OAPEC petroleum embargo | History | 0 | 0 | 0 | |
| 105 | 1976 Tangshan earthquake | Mw 7.6 earthquake in Hebei, China | History | 0 | 0 | 0 | |
| 106 | 1989 Tiananmen Square protests and massacre | Student-led demonstrations in China | History | 0 | 0 | 0 | |
| 107 | 2001: A Space Odyssey | 1968 film by Stanley Kubrick | Arts | 0 | 0 | 0 | |
| 108 | 2004 Indian Ocean earthquake and tsunami | History | 0 | 0 | 0 | ||
| 109 | 2008 financial crisis | Worldwide economic crisis | History | 0 | 0 | 0 | |
| 110 | 3C 273 | Brightest quasar from Earth located in the constellation Virgo | Physical sciences | 0 | 0 | 0 | |
| 111 | A Doll's House | 1879 three-act play by Henrik Ibsen | Arts | 0 | 0 | 0 | |
| 112 | A Midsummer Night's Dream | Play by William Shakespeare | Arts | 0 | 0 | 0 | |
| 113 | A Sunday Afternoon on the Island of La Grande Jatte | Painting by Georges Seurat | Arts | 0 | 0 | 0 | |
| 114 | A Vindication of the Rights of Woman | 1792 feminist essay by Mary Wollstonecraft | Arts | 0 | 0 | 0 | |
| 115 | A priori and a posteriori | Two types of knowledge, justification, or argument | Philosophy and religion | 0 | 0 | 0 | |
| 116 | A. C. Bhaktivedanta Swami Prabhupada | Indian spiritual teacher (1896–1977) | People | 0 | 0 | 0 | |
| 117 | A. J. P. Taylor | English historian (1906–1990) | People | 0 | 0 | 0 | |
| 118 | ABBA | Swedish pop group | People | 0 | 0 | 0 | |
| 119 | ABC islands | Three Dutch-ruled islands in the Leeward Antilles | Geography | 0 | 0 | 0 | |
| 120 | ASEAN | Intergovernmental forum of Southeast Asian nations | Society and social sciences | 0 | 0 | 0 | |
| 121 | AT&T | American telecommunications company | Society and social sciences | 0 | 0 | 0 | |
| 122 | Aardvark | Burrowing mammal native to Africa | Biology and health sciences | 0 | 0 | 0 | |
| 123 | Aaron Copland | American composer and conductor (1900–1990) | People | 0 | 0 | 0 | |
| 124 | Abacus | Calculating tool | Technology | 0 | 0 | 0 | |
| 125 | Abbas Kiarostami | Iranian filmmaker (1941–2016) | People | 0 | 0 | 0 | |
| 126 | Abbas the Great | Shah of Safavid Iran from 1587 to 1629 | People | 0 | 0 | 0 | |
| 127 | Abbasid Caliphate | Third Islamic caliphate | History | 0 | 0 | 0 | |
| 128 | Abd Allah al-Mahdi Billah | Isma'ili Imam and first Fatimid Caliph from 909 to 934 | People | 0 | 0 | 0 | |
| 129 | Abd al-Malik ibn Marwan | Umayyad caliph from 685 to 705 | People | 0 | 0 | 0 | |
| 130 | Abd al-Rahman I | Emir of Córdoba from 756 to 788 | People | 0 | 0 | 0 | |
| 131 | Abd al-Rahman III | Final Emir of Córdoba (r. 912–929); founder and 1st Caliph of Córdoba (r. 929–961) | People | 0 | 0 | 0 | |
| 132 | Abdomen | Part of the body between the chest and pelvis | Biology and health sciences | 0 | 0 | 0 | |
| 133 | Abdul Hamid II | Sultan of the Ottoman Empire from 1876 to 1909 | People | 0 | 0 | 0 | |
| 134 | Abel Tasman | Dutch seafarer, explorer and merchant (1603–1659) | People | 0 | 0 | 0 | |
| 135 | Abidjan | Largest city and district of Ivory Coast | Geography | 0 | 0 | 0 | |
| 136 | Abiogenesis | Life arising from non-living matter | Biology and health sciences | 0 | 0 | 0 | |
| 137 | Ableism | Discrimination on grounds of disability | Society and social sciences | 0 | 0 | 0 | |
| 138 | Abolitionism | Movement to end slavery | History | 0 | 0 | 0 | |
| 139 | Aboriginal Australians | One of the two categories of Indigenous Australians | Society and social sciences | 0 | 0 | 0 | |
| 140 | Abortion | Termination of a pregnancy | Biology and health sciences | 0 | 0 | 0 | |
| 141 | Abraham | Namesake of the Abrahamic religions | Philosophy and religion | 0 | 0 | 0 | |
| 142 | Abraham Lincoln | President of the United States from 1861 to 1865 | People | 0 | 0 | 0 | |
| 143 | Abraham Maslow | American psychologist (1908–1970) | People | 0 | 0 | 0 | |
| 144 | Abrasive | Rough material used to shape or finish objects by friction | Technology | 0 | 0 | 0 | |
| 145 | Absolute monarchy | Government where the monarch has absolute power | Society and social sciences | 0 | 0 | 0 | |
| 146 | Absolute zero | Lowest theoretical temperature | Physical sciences | 0 | 0 | 0 | |
| 147 | Absorption spectroscopy | Spectroscopic techniques that measure the absorption of radiation | Physical sciences | 0 | 0 | 0 | |
| 148 | Abstract algebra | Branch of mathematics | Mathematics | 0 | 0 | 0 | |
| 149 | Abstract art | Art with a degree of independence from visual references | Arts | 0 | 0 | 0 | |
| 150 | Abstract expressionism | American post–World War II art movement | Arts | 0 | 0 | 0 |
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