World's oldest zoo celebrates 270th anniversary with adorable new squirrel monkey babies in Austria

Beautiful red sunset on anniversary of Russian Revolution

Fireworks mark 80th anniversary of 'legendary' Leningrad Symphony premiere in Russia

Protesters in Germany honour Burmese martyrs on 34th anniversary of historic '8888 People's Uprising'

Locals hold anti-junta protest on anniversary of historic 8888 People's Uprising in Myanmar

Chinese military hold flag ceremony marking 95th founding anniversary of People's Liberation Army

Burmese activists protest on 60th anniversary of historic student uprising

Beijing flag ceremony marks 25th anniversary of Hong Kong handover as new leader takes oath

Adorable panda celebrates Thai zoo's founding anniversary with bucketful of snacks

Heartbroken husband pays tribute to Christian missionary wife killed by pickup truck while cycling in Thailand

Christian missionary, 49, killed on wedding anniversary trip after being hit by pickup truck in Thailand

'Debutant ball' held in St Petersburg, Russia to celebrate city founder's 350th anniversary

Flower ball marks Peter The Great's 350th anniversary in St Petersburg, Russia

Celebrations held for Peter the Great's 350th birth anniversary as Russian President Putin compares himself to the late tsar

Paintings of Peter the Great showcased to mark 350th anniversary of birthday as Russian President Putin compares himself to the late tsar

St Petersburg holds festival celebrating 350th anniversary of founder Peter I

University celebrates 120th anniversary with mesmerising drone light show in China

Locals mark 350th birth anniversary of St Petersburg, Russia founder

Fireworks display in St Petersburg, Russia, marks city's 319th anniversary

Skyscraper illuminated to mark 319 year anniversary of St Petersburg, Russia