The International Day of Mathematics. Learners connect over the web to celebrate numbers - with the aim of raising standards of numeracy.

Eid al-Fitr (Islam) – Eid is centred around celebrating the end of a month of fasting and spending time with family, friends and people within the community. Giving thanks to God is core, which is why on the morning of Eid, Muslims offer a special congregational Eid prayer.

Corpus Christi (Christianity) - It falls 60 days after Easter. In the ancient world, it was customary to scatter flowers on the path of important people as a mark of respect and reverence, and this practice was adopted by the Church in honour of the Blessed Sacrament as it was carried in the procession on the day of the festival.

Midsummer’s Day / Alban Hefin – A mid-summer festival on the longest day of the year. This is one of the most important festivals in the Celtic calendar and many other cultures around the world.

World Humanist Day - This is a humanist holiday celebrated annually around the world on the summer solstice, which usually falls on June 21st. It's a way to spread information, and combat misinformation about humanism as a philosophical life stance and means to affect change in the world.

Llangollen International Musical Eisteddfod – one of Wales' foremost annual events - a truly international festival of music and dance.

Tisha B'Av (Judaism) – a sad day for many Jewish people in the United Kingdom. It reminds them of the oppression and violence endured among Jewish people throughout history.

Asalha Puja (Buddhism) - a festival to remember the Buddha's first sermon, where he learned about the Middle Way, the Four Noble Truths and the Eightfold Path.

Hiroshima Bombing Remembrance Day.

The events of Hajj (Islam)- Pilgrimage to Makkah. This is the 5th pillar of Islam. Every Muslim has to do the Hajj once in their life if they can afford it and if their health allows it.

Eid al-Adha (Islam) - Eid al Adha is the latter of the two official holidays which are celebrated within Islam (the other being Eid al-Fitr). It honors the willingness of Ibrahim (Abraham) to sacrifice his son Ismail (Ishmael) as an act of obedience to Allah's command. The festival also marks the end of the Hajj pilgrimage to Mecca. Many Muslims make a special effort to wear new clothes, attend a prayer service in a mosque and listen to a sermon.