Bali Nine: Who were Australians Myuran Sukumaran and Andrew Chan executed in Indonesia?
Bali Nine drug smugglers Myuran Sukumaran and Andrew Chan were executed at Nusa Kambangan.
Nepal earthquake reconstruction estimated at $5bn: Where to donate to the crisis
How to donate money to Red Cross, Save the Children, Oxfam and Unicef after Nepal earthquake.
Nepal earthquake: Haiti, Japan, Indonesia and the deadliest earthquakes of the decade
The deadliest earthquakes in the last 10 years following the Nepal earthquake on 25 April 2015.
World Malaria Day 2015: The disease in numbers
World Malaria Day is observed on 25 April to raise awareness of prevention and treatment of malaria.
World Malaria Day 2015: 5 scientific breakthroughs in fighting the disease
World Malaria day is observed on 25 April annually by the World Health Organization.
Anzac Day 2015: 'Myth of the birth of Australia is a travesty of history'
Australia and New Zealand will commemorate the centenary of the Gallipoli Campaign on 25 April 2015.
Armenian genocide denial: 'The falsification of history keeps the wound bleeding'
On 24 April, it is the centenary anniversary of the killing of Armenians by the Ottoman Empire in 1915.
Hubble 25th anniversary: Nasa's greatest discoveries about the universe, planets and black holes
Nasa's Hubble Space Telescope celebrates 25 years since it was launched on 24 April 1990
Earth Day 2015: History of the celebration and 10 facts about climate change
Earth Day is celebrated on 22 April to build support for environmental protection around the world.
Earth Day 2015: 10 easy ways to help save the environment
Ways to help reduce global warming on Earth Day, celebrated on 22 April by Earth Day Network.
Depression Awareness Week: Facts about the mental illness affecting 350 million people worldwide
Depression Awareness Week, marked by Depression Alliance, is held from 20 to 26 April
Stalking awareness: 'They gave me a rape alarm, but nothing was done to help me'
National Stalking Awareness Week 2015 is marked by Paladin from 20 to 24 April.
Oklahoma City bombing 20th anniversary: 20 facts about the 1995 attack
Bombing of the Alfred Murrah Federal Building, Oklahoma City, by Timothy McVeigh took place on 19 April 1995.
Oklahoma City bombing 20th anniversary: What happened on the day of the 1995 tragedy?
Timothy McVeigh, the Oklahoma City Bomber, detonated a bomb outside a federal building on 19 April 1995.
Albert Einstein: 10 facts about genius behind theory of relativity on 60th anniversary of death
Theoretical physicist Einstein died on 18 April 1955, aged 76, in Princeton, New Jersey.
Election 2015: 'We need compulsory LGBT sex and relationships education to eradicate homophobic bullying'
Charity Stonewall explains why compulsory LGBT sex and relationships education is essential for healthy lives
Lyrid meteor shower 2015: Where to watch shooting stars in UK, US and live online
The Lyrid meteor shower, from Comet C/1861 G1 Thatcher, will peak around 22 and 23 April 2015
Election 2015: 'We should have 325 women and 325 men in the 21st century UK Parliament'
IBTimes UK looks at issues affecting women during the general election campaign
Liberal Democrat minister Jo Swinson interview: 'We have an everyday environment of casual sexism'
Jo Swinson talks about women in politics and gender pay gap as Liberal Democrat manifesto is released.
Everyday Sexism's Laura Bates: 'Awareness-raising has become a worldwide movement for equality'
Everyday Sexism, founded by Laura Bates, reaches 100,000 stories ahead of its third anniversary
Titanic anniversary: Story of women's rights hero 'the unsinkable Molly Brown'
Margaret Brown became a hero for her actions during the sinking of the Titanic on 15 April 1912.
Liverpool FC star Raheem Sterling: What is nitrous oxide 'laughing gas' and is it dangerous?
England forward Raheem Sterling was pictured inhaling 'hippy crack' nitrous oxide by The Sun.
International Day of Human Space Flight: 10 achievements since Yuri Gagarin made first Earth orbit
United Nations International Day of Human Space Flight, 12 April, celebrates the first human in space
Future of human space flight: 'Real money is being spent on America's Space Launch System'
The International Day of Human Space Flight on 12 April celebrates the first human in space, Yuri Gagarin.
World Parkinson's Day: 10 facts about neurological disease affecting 6 million people worldwide
World Parkinson's Day, observed on 11 April, marks the birthday of Dr James Parkinson
Tampon tax, violence and the pay gap: How do the political parties score on women's issues?
Nicky Morgan, Harriet Harman and Lynne Featherstone will take part in an all-female debate on LBC radio.
Election 2015: 'From verbal abuse to being spat on, we need to report LGBT hate crime'
LGBT charity Stonewall says political parties need to tackle homophobic hate crime in general election
Iran: Five must-see holiday attractions as sanctions ease
IBTimes UK looks at Iran's top tourist destinations as the nuclear deal has potential to boost tourism.
Election 2015: We need all-women shortlists to redress the lack of females in politics
IBTimes UK argues why we need all-women shortlists to improve female political representation.
Rwandan genocide anniversary: Why we have forgotten about the 100-day massacre?
The anniversary of the Rwanda genocide, on 7 April, marks the mass slaughter of Tutsi by Hutu extremists.