| General Information for August 4th 2015 |
| There are no public holidays today. |
| Day 216 of 2015 |
| 149 days left in 2015 |
| Week 32 of the year |
| On this Day in History |
| 1958 - The Billboard Hot 100 is published for the first time. |
| 1783 - Mount Asama erupts in Japan, killing about 1,400 people. The eruption causes a famine, which results in an additional 20,000 deaths. |
| 1578 - Battle of Al Kasr al Kebir - the Moroccans defeat the Portuguese. King Sebastian of Portugal is killed in the battle, leaving his elderly uncle, Cardinal Henry, as his heir. This initiates a succession crisis in Portugal. |
| 367 - Gratian, son of Roman Emperor Valentinian I, is named co-Augustus by his father and associated to the throne aged eight. |