Prime Minister Aleksandar Vucic of Serbia said he would attend the 20th anniversary commemoration of the Srebrenica massacre this weekend in a bid to forge reconciliation.
Japan marks the 70th anniversary of the end of the Battle of Okinawa, the bloodiest episode in the Pacific War, which killed a quarter of the island's population.
France's Le Monde newspaper used 200th anniversary of Napoleon's defeat to issue a warning to Britain -- in English -- saying: "Beware, Brexit could be your Waterloo!"
European royals and officials will mark the 200th anniversary of the Battle of Waterloo with a call for reconciliation at the site where Napoleon Bonaparte's imperial ambitions ended in carnage.
Ukrainians marked 29 years since the Chernobyl nuclear disaster, placing wreaths and candles near the plant where work to lay a new seal over the reactor site has been delayed.
Australian Prime Minister Tony Abbott on Saturday hailed the sacrifice of the thousands of soldiers from Australia and New Zealand killed in the Battle of Gallipoli.
Prime Minister Shinzo Abe has said he may not issue a direct apology for Japan's past aggression in an upcoming statement marking the 70th anniversary of the end of World War II.
As Japan prepares to mark the 20th anniversary of a fatal nerve gas attack on Tokyo's subway, experts say the horrifying case still leaves more questions than answers.
Thousands of Ukrainians gathered for an emotional ceremony on Kiev's Independence Square to mark one year since scores of demonstrators were gunned down.
President Vladimir Putin slammed what he called attempts to rewrite history and lauded the Red Army at a ceremony marking the 70th anniversary of the liberation of Auschwitz.
US President Barack Obama marked the 70th anniversary of the liberation of Auschwitz with a warning that the world needs to combat resurgent anti-Semitism.
Tearful memorials were being held across tsunami-hit nations for the 220,000 people who perished when giant waves decimated coastal areas of the Indian Ocean a decade ago.
President Xi Jinping said that no one can deny the Nanjing Massacre, as China for the first time held a national day of remembrance for the Japanese military rampage.