60th anniversary of constitution of federal republic of Germany - (Germany)
Mary Cassatt's Birthday - (Global)
Chen Jingrun's Birthday - (China)
Christin Engelberth! Doodle 4 Google National Winner - (US)
Scientists unveil fossil of Darwinius masillae
Norway's National Day - (Norway)
Mother's Day - (Selected Countries)
100th Giro d'Italia - (Italy)
Rabindranath Tagore's birthday - (India)
Alexander Popov's Invention of the Radio - (Russia, Ukraine, Belarus)
250th Anniversary of Kew Gardens - (UK)
Children's Day - (Japan)
Children's Day - (Mexico)
Samuel Morse's Birthday - (Global)
Anzac Day - (Australia)
Anzac Day - (New Zealand)
Tomitaro Makino's Birthday - (Japan)
Girl's Day - (Germany)
St. George's Day - (UK)
Children's Day - (Turkey)
Earth Day - (Global)
Kartini Day - (Indonesia)
Zu Zhongzhi's Birthday - (China)
Christiaan Huygens' Birthday - (Netherlands)
Mimar Sinan's Birthday - (Turkey)
Songkran Festival - (Thailand)
Doodle 4 Google 'My Egypt' - (Egypt)
200th Anniversary of Gogol