Britain and Russia react to Austria-Hungary's ultimatum.
Fungi and the birth of plant pathology.
19/30 Clare Balding is at Croke Park in Dublin to discover how Ireland developed its own sports.
Jonathan Freedland compares Nigel Farage with the 18th-century politician John Wilkes.
Austria-Hungary delivers the ultimatum to Serbia.
Historical patterns from preserved plants.
The Russian royal family give a lavish welcome to the French President.
Helen Castor and her guests discuss the latest discoveries that are making history.
The botanical impresario Joseph Banks' vision to build Britain's colonies through plants.
The King warns of civil war in Britain over Irish Home Rule.
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