In the year 2003, Belgium becomes the second country in the world to legalize same-sex marriage (Jan 30), all seven astronauts are killed aboard the space shuttle Columbia at reentry to over Texas (Feb 1), the Iraq War begins (Mar 20), The Human Genome Project is completed, with 99% of the human genome sequenced to 99.99% accuracy (Apr 14), Mars makes its closest approach to Earth in over 60,000 years (Aug 27), China launches its first manned spaceflight (Oct 15), Saddam Hussein is captured in Iraq (Dec 13), several European countries approve joining the EU - and all these fine people were born:

2003-0103 Greta Thunberg* environmental activist - Stockholm, Sweden 2003-0104 Jaeden Lieberher* actor - Philadelphia, PA USA 2003-0105 Brennan Othmann* hockey player - Scarborough, ON Canada 2003-0108 Samu Tuomaala* hockey player - Oulu, Finland 2003-0113 Sofianna Sundelin* hockey player - Ulvila, Finland 2003-0119 Fabian Lysell* hockey player - Gothenburg, Sweden 2003-0121 Veera Mattila* athlete (runner) - Finland - WA 2003-0128 Kalle Väisänen* hockey player - Kotka, Finland 2003-0130 Mason McTavish* Canadian hockey player - Zürich, Switzerland 2003-0204 Katriina Wright* American-Finnish athlete (runner) - San Diego, CA USA - WA 2003-0205 Simon Edvinsson* hockey player - Onsala, Sweden 2003-0214 Mary Fowler* football player - Cairns, QLD Australia 2003-0215 Naseem Shah* cricketer - Lower Dir, Khyber Pakhtunkhwa, Pakistan 2003-0216 Nikita Chibrikov* hockey player - Moscow, Russia 2003-0220 Olivia Rodrigo* actress/singer - Temecula, CA USA 2003-0226 Aku Koskenvuo* hockey goalie - Espoo, Finland 2003-0226 Logan Stankoven* hockey player - Kamloops, BC Canada 2003-0227 Juuso Helomaa* hockey goalie - Turku, Finland 2003-03xx Haven Shepherd* (b Đỗ Thị Thúy Phương on Ma) Vietnamese-American Paralympic athlete/to U.S. at age 1 - Vietnam 2003-0307 Kalle Ervasti* hockey player - Oulu, Finland 2003-0307 Polina Kostiukovich* pair skater - Saint Petersburg, Russia 2003-0310 2003-0315 Isak Rosén* hockey player - Stockholm, Sweden 2003-0320 2003-0324 Tizian Lauria* German athlete (shot put) - Germany - WA 2003-0325 Riley Kidney* hockey player - Halifax, NS Canada 2003-0331 2003-0403 Elsie Fisher* actress /voice actress - Riverside, CA USA 2003-0409 Samu Salminen* hockey player - Helsinki, Finland 2003-0409 Logan Williams* actor - Vancouver, BC Canada (2020/16) 2003-0411 Aksel Rykkvin* singer - Oslo, Norway 2003-0430 2003-0501 Robiel Yankiel Sol Cervantes* Paralympic athlete (long jump)/OG - Cuba 2003-0504 Saga Vanninen* athlete (heptathlon) - Tampere, Finland 2003-0505 Carlos Alcaraz* tennis player - Villena, Spain 2003-0508 Aleksi Heimosalmi* hockey player - Pori, Finland 2003-0512 Madeleine McCann* British girl who disappeared in Algarve, Portugal - Leicester, England (dis. 2007/3) 2003-0513 2003-0514 Wyatt Johnston* hockey player - Toronto, ON Canada 2003-0515 Joel Henry* hockey player - Münsterlingen, Switzerland - EP 2003-0520 2003-0526 Megan Stott* actress - Los Angeles, CA USA - WikiCelebs 2003-0529 Zack Ostapchuk* hockey player - Edmonton, AB Canada 2003-0603 Laura Lahtinen* swimmer - Finland 2003-0611 Breanna Yde* Australian-American actress - Sydney, NSW Australia 2002-0613 Ville Koivunen* hockey player - Oulu, Finland 2002-0616 Paul Jenft* sport climber - France 2003-0627 Tomokazu Harimoto* 張本 智和 table tennis player - Sendai, Miyagi, Japan 2003-0701 2003-0703 Storm Reid* actress - Atlanta, GA USA 2003-0704 Polina Bogusevich* singer - Moscow, Russia 2003-0708 Major Dodson* actor - Dallas, TX USA 2003-0713 Wyatt Oleff* actor - Chicago, IL USA 2003-0715 2003-0718 Emma Severini* football player - Prato, Italy 2003-0720 Jaroslav Chmelar* hockey player - Nove Mesto, Czechia 2003-0729 Oliver Kapanen* Finnish hockey player/son of Kimmo Kapanen - Sundsvall, Sweden 2003-0801 Bennet Roßmy* hockey player - Zittau, Germany - EP 2003-0804 2003-0806 Joshua Roy* hockey player - St-Georges-de-Beauce, QC Canada 2003-0807 Anastasia Gorbenko* swimmer/WG/of Ukrainian descent - Haifa, Israel 2003-0810 Illia Kovtun* artistic gymnast/WB - Cherkasy, Ukraine 2003-0815 2003-0820 Prince Gabriel of Belgium* - Brussels, Belgium 2003-0824 Alena Kostornaia* figure skater - Moscow, Russia 2003-0828 Lexi Underwood* actress /singer - Cheverly, MD USA 2003-0828 Quvenzhané Wallis* actress/ author - Houma, LA USA 2003-0901 2003-0903 Jack Dylan Grazer* actor - Los Angeles, CA USA 2003-0905 2003-0909 Luke Hughes* hockey player - Manchester, NH USA 2003-0910 Olen Zellweger* hockey player - Calgary, AB Canada 2003-0915 2003-0920 Juuso Ahola* floorball player - Finland 2003-0920 Leanne Wong* artistic gymnast/WS - Overland Park, KS USA 2003-0924 Joe Locke* Manx actor - Douglas, Isle of Man 2003-0925 Gabriel Kangas* hockey player - Sweden EP 2003-0926 Sam Nivola* actor - London, England 2003-0928 2003-0929 Juho Alasaari* athlete (pole vault) - Laihia, Finland 2003-0930 Bella Ramsey* actress - Nottingham, England 2003-1001 2003-1003 Vicki Bècho* football player - Montreuil, France 2003-1013 Laurina Fazer* football player - Argenteuil, France 2003-1020 Oliver Stümpel* American-Slovakian hockey player - Torrance, CA USA 2003-1026 Miko Matikka* hockey player - Helsinki, Finland 2003-1027 Gavin Lewis* actor - Salt Lake Cuty, UT USA 2003-1031 2003-1101 Seo Chae-hyun* 서채현 sport climber - South Korea 2003-1108 Lady Louise Windsor* daughter of Prince Edward - Frimley, Surrey, England 2003-1110 2003-1113 Salma Paralluelo* football player - Zaragoza, Spain 2003-1120 2003-1130 2003-1201 2003-1207 Catharina-Amalia, Princess of Orange* the heir apparent/daughter of King Willem-Alexander - The Hague, Netherlands 2003-1210 Colin Duffy* sport climber - Broomfield, CO USA 2003-1214 Jiří  Kulich* hockey player - Kadaň, Czechia 2003-1219 Brad Lambert* hockey player/son of Ross Lambert - Lahti, Finland 2003-1231 2003-0 2003-0 2003-0 Updated 2025-0504 Helsinki Search for another year here