2003

The year 2003 was marked by the invasion of Iraq and the subsequent period of occupation and insurgency. The Kashmir conflict also saw a period of escalation, and the Second Intifada continued in Israel and Palestine. The global economy recovered from the early 2000s recession, especially in China, Japan, and the United States, and Argentina recovered from its years-long economic crisis. A conference of World Trade Organization members caused diplomatic conflict between developing and developed nations, with the former creating their own trade bloc, the G20 developing nations. The Catholic Church celebrated the 25th anniversary of the election of Pope John Paul II, while disputes about gay rights emerged within several Christian denominations in 2003. The Islamic world faced crisis as the war on terror and Islamic terrorism prompted religious leaders to define Islam's identity. Elsewhere in the world, ten nations were approved for membership to the European Union, North Korea restarted its nuclear weapons program, and several political leaders were convicted in the International Criminal Tribunals for Rwanda and for the former Yugoslavia. The International Criminal Court also began operation in 2003.

The 110th element of the periodic table was officially named darmstadtium (Ds) in 2003. The Human Genome Project announced that it had finished mapping the human genome, while controversies regarding human cloning and genetically modified crops caused political turmoil around the scientific community. A new dinosaur, ''Rajasaurus narmadensis'', was described. Space travel was affected by the explosion of the Space Shuttle ''Columbia'' that killed seven astronauts, while a close approach from Mars allowed several landers and rovers to be launched toward the planet. Consumers saw the launch of the iTunes Store and the publication of ''Harry Potter and the Order of the Phoenix'', while products like camera phones, 64-bit computers, LCD television, and broadband internet achieved widespread popularity. Email spam became a growing problem in 2003, leading to legislation in several countries.

The year 2003 tied with 2002 as the second-hottest year on record. SARS became an epidemic for several months in 2003, centered in Guangdong and Hong Kong, while concerns about polio and measles outbreaks in West Africa and Uganda, respectively, led to massive child vaccination drives that saw entire populations inoculated. The city of Bam, Iran, was almost entirely destroyed in 2003 following a magnitude 6.6 earthquake.

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