Barış Manço's 70th Birthday (2nd)
Eliezer Ben Yehuda's 155th Birthday (7th) (Israel)
Nanakusa Gayu: 7 Herb Porridge (Japan)
Czech Republic Election Day 2013 (11th) (Czech Republic)
Children's Day (12th) (Thailand)
Aleko Konstantinov's 150th birthday (13th) (Bulgaria)
Frank Zamboni's 112th Birthday (16th) (Selected countries)
Teacher's Day (16th) (Thailand)
Cecilia May Gibbs' 136th Birthday (17th) (Australia)
Rubén Darío's 146th Birthday (18th) (Andorra, Gibraltar, Spain)
Emma Gad's 161th Birthday (21th) (Denmark)
Dr. Martin Luther King Day (21th) (USA)
Grandparents' Day (21th) (Poland)
Israel Elections (22th) (Israel)
Andrija Mohorovičić's 156th Birthday (23th) (Croatia)
Czech Republic Election Day 2013 (25th) (Czech Republic)
Juraj Jánošík's 325th Birthday (25th) (Slovakia)
Australia Day (26th) (Australia)
Republic Day 2013 (26th) (India)
Leonid Gaidai's 90th Birthday (30th) (Ukraine, Russia)
Jackie Robinson's 94th Birthday (31st) (United States)
María Elena Walsh's 83rd Birthday (1st) (Argentina)
Chinese Christmas Eve (2nd) (Brunei, China, Hong Kong, Indonesia, Malaysia, Philippines, Singapore, Taiwan, Thailand, Trinidad and Tobago, Zimbabwe)
Chinese Christmas Day (3rd) (Brunei, China, Dominican Republic, Hong Kong, Indonesia, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, Trinidad and Tobago, Vietnam, Zimbabwe)
Polde Bibič's 80th Birthday (3rd) (Slovenia)
Manuel Alvarez Bravo's 111st Birthday (4th) (Mexico)
Sri Lanka Independence Day 2013 (4th) (Sri Lanka)
Josef Kajetán Tyl's 205th Birthday (4th) (Czech Republic)
Last day of the Canadian Penny (4th) (Canada)
64th anniversary of Alberto Larraguibel's record setting Puissance jump (5th) (Chile)
Mary Leakey's 100th Birthday (6th) (Global)
Jagjit Singh's 72nd Birthday (8th) (India)
Barranquilla Carnival (9th) (Colombia)
Chinese New Year (10th) (Argentina, Australia, Bolivia, Brazil, Brunei, Chile, China, Costa Rica, Dominican Republic, Estonia, Finland, Germany, Ghana, Greenland, Hong Kong, Indonesia, Ireland, Iraq, Japan, Kazakhstan, Malaysia, New Zealand, Oman, Paraguay, Peru, Philippines, Romania, Russia, Serbia Singapore, Taiwan, Thailand, United Kingdom, United States, Uruguay, Zimbabwe)
Lunar New Year (10th) (Vietnam)
Lunar New Year (10th) (South Korea)
Argentina Carnival (11th) (Argentina)
Elsa Beskow's 139th Birthday (11th) (Sweden)
Brazilian Carnival (12th)
Fyodor Shalyapin's 140th Birthday (13th) (Russia)
Valentine's Day and George Ferris' 154th Birthday (14th) (Selected countries)
Anne Cath Vestly's 93rd birthday (15th) (Norway)
Serbia National Day (15th) (Serbia)
Lithuania Act of Independence (16th) (Lithuania)
Nasir al-Din al-Tusi's 812th Birthday (18th) (Selected countries)
Nicolaus Copernicus' 540th Birthday (19th)
Park Su-Geun's Birthday (21st) (South Korea)
Edward Gorey's 88th Birthday (22nd) (Selected countries)
Arthur Schopenhauer 225th Birthday (22nd) (Switzerland, Austria, Germany)
Victor Brecheret's 119th Birthday (22nd) (Brazil)
Italian Elections (24th) (Italy)
Estonia Independence Day (24th) (Estonia)
Lantern Festival (24th) (Argentina, Australia, Bolivia, Brazil, Brunei, Chile, China, Costa Rica, Dominican Republic, Finland, Germany, Ghana, Greenland, Hong Kong, Indonesia, Ireland, Iraq, Japan, Kazakhstan, Malaysia, New Zealand, Oman, Paraguay, Peru, Philippines, Romania, Russia, Serbia Singapore, Taiwan, Thailand, United Kingdom, United States, Uruguay, Zimbabwe)
Kuwait National Day (25th) (Kuwait)
Dominican Republic Independence Day (27th) (Dominican Republic)
Korean Independence Day (1st) (South Korea, Taiwan)
Ryunosuke Akutagawa's 121st Birthday (1st) (Japan)
Ramón Gómez Cornet's 115th Birthday (1st) (Argentina)
St. David's Day (1st) (UK)
Bulgaria National Day (3rd) (Bulgaria)
Miriam Makeba's 81st Birthday (4th)
Kenya Election Day (4th) (Kenya)
Ghana Independence Day (6th) (Ghana)
Volodymyr Dakhno's 81st Birthday (7th) (Selected countries)
Women's Day (8th) (Selected countries)
Luis Barragan's 111th Birthday (9th) (Mexico)
Joseph von Eichendorff's 225th Birthday (10th) (Switzerland, Austria, Germany)
Mother's Day (10th) (Ireland)
Douglas Adams' 61st Birthday (11th)
Evert Taube's 123rd Birthday (12th) (Sweden)
André Le Nôtre's 400th Birthday (12th) (France)
Vladimir Vernadsky's 150th Birthday (12th) (Ukraine, Belarus, Russia, Moldova)
Hungary National Day (15th) (Hungary)
St. Patrick's Day (17th) (Selected countries)
Henrik Ibsen's 185th Birthday (20th) (Norway)
Rafael Bordalo Pinheiro's 167th Birthday (21st) (Portugal)
Persian New Year (21st) (Uzbekistan, Kyrgyzstan, Kazakhstan, Azerbaijan)
Adalbert Czerny's 150th Birthday (25th) (Switzerland, Austria, Germany)
Prokop Diviš's 315th Birthday (26th) (Czech Republic)
Bangladesh Independence Day (26th) (Bangladesh)
Shoshana Damari's 90th Birthday (31st) (Israel)
Cesar Chavez's 86th Birthday (31st) (USA)
April Fool's Day (1st) (Global)
Wangari Maathai 73rd Birthday (1st) (Selected countries)
Jorge Isaacs' 176th Birthday (1st) (Colombia)
Maria Sibylla Merian's 366th Birthday (2nd) (Global)
Henry van de Velde's 150th Birthday (3rd)
Senegal Independence Day (4th) (Senegal)
Arbor Day 2013 (5th) (South Korea)
500th Anniversary of the Piri Reis Map (7th) (Turkey, Cypros)
Hong Xun Tao's 85th Birthday (9th) (Hong Kong)
Charles Baudelaire's 192nd Birthday (9th) (France)
Bernardo Alberto Houssay's 126th Birthday (10th) (Argentina)
25th Anniversary of the Opening of the Great Seto Bridge (10th) (Japan)
Songkran Festival (13th) (Thailand)
Alfredo Volpi's 117th Birthday (14th) (Brazil)
Leonhard Euler's 306th Birthday (15th) (Global)
160th Anniversary of the First Passenger Train in India (16th) (India)
Doodle4Google Winner (16th) (Ireland)
Israel Independence Day (16th) (Israel)
Chavela Vargas' 94th Birthday (17th) (Costa Rica, Spain, Mexico)
Adam Frantisek Kollar's 295th Birthday (17th) (Slovakia)
Doodle4Google Winner (18th) (Turkey)
Sir Norman Parkinson's 100th Birthday (21st) (United Kingdom)
Earth Day 2013 (22nd) (Global)
Dooly the Little Dinosaur's Birthday (22nd) (South Korea)
St. George's Day (23rd) (UK)
National Sovereignty and Children's Day (23rd) (Turkey, Cyprus)
Gabriel Figueroa's 106th Birthday (24th) (Mexico)
Ella Fitzgerald's 96th Birthday (25th) (Global)
South African Freedom Day (27th) (South Africa)
Children's Day (30th) (Mexico)
Queen's Day (30th) (Belgium, Netherlands, Indonesia)
Jaroslav Hasek's 130th Birthday (30th) (Czech Republic)
Labor Day 2013 (1st) (France)
Labor Day 2013 (1st) (Selected countries)
Satyajit Ray's 92nd Birthday (2nd) (India)
Søren Kierkegaard's 200th Birthday (5th) (Selected countries)
Children's Day (5th) (South Korea)
Malaysia Elections (5th) (Malaysia)
Mihailo Petrović Alas' 145th birthday (6th) (Serbia)
Parent's Day 2013 (8th) (South Korea)
Gustaf de Laval's 168th birthday (9th) (Sweden)
Mother's Day 2013 (12th) (Selected countries)
Philippines Elections (13th) (Philippines)
Doodle4Google Winner (14th) (Greece)
Antonio Berni's 108th Birthday (14th) (Argentina)
Frank Hornby's 150th Birthday (15th) (United Kingdom)
Teacher's Day 2013 (15th) (South Korea)
Viktor Vasnetsov's 165th Birthday (15th) (Russia)
Paraguay Independence Day (15th) (Paraguay)
The National Theatre's 145th Anniversary (16th) (Czech Republic)
Charles Trenet's 100th Birthday (18th) (France)
Exposición Universal de Barcelona's 125th anniversary (20th) (Spain)
140th Anniversary of the RCMP (23rd) (Canada)
Doodle4Google Winner (23rd) (USA)
Jordan Independence Day (25th) (Jordan)
Children's Day (1st) (Russia)
Children's Day (1st) (Poland)
Primoz Trubar's 505th Birthday (8th) (Slovenia)
Maurice Sendak's 85th Birthday (10th)
Philippine Independence Day (12th) (Philippines)
Father's Day (16th) (Selected countries)
Henry Lawson's 146th Birthday (17th) (Australia)
First Day of Summer (21st) (Global)
First Day of Autumn (21st) (Croatia, Fiji)
First Day of Winter (21st) (Argentina, Australia, Bolivia, Brazil, Chile, New Zealand, Paraguay, Peru, Uruguay)
First Day of Spring (21st) (American Samoa, Samoa)
Mt. Fuji becomes a World Heritage site (23rd) (Japan)
Herta Heuwer's 100th Birthday (30th) (Germany)
First Day of School (5th) (Bulgaria, Canada, China, Colombia, Estonia, Hong Kong, Hungary, Iceland, Ireland, Japan, Kenya, Latvia, Morocco, Singapore, Taiwan, Thailand, Turkey, UK, USA, Zimbabwe)
100th Anniversary of the First Aviation "loop de loop" (9th) (Russia)
Teacher's Day (10th) (China)
First Day of Autumn (22nd) (Global)
First Day of Winter (22nd) (Croatia, Fiji)
First Day of Spring (22nd) (Argentina, Australia, Bolivia, Brazil, Chile, New Zealand, Paraguay, Peru, Uruguay)
First Day of Summer (22nd) (American Samoa, Samoa)
German Elections (22nd) (Germany)
Google's 15th Birthday (27th)
Austria Elections (29th) (Austria)