A defence of the US space programme and the goal of reaching the Moon, linking exploration with national ambition, technological progress and Cold War competition.

Reagan sets out his approach to United States-Soviet relations, calling for reduced arms, improved dialogue and peaceful competition based on realism, strength and negotiation.

An address on citizenship in democratic societies, examining civic duty, individual responsibility, public service, equality, liberty and political conduct.

Roosevelt’s 1933 inaugural address confronting the Great Depression and calling for decisive government action, economic reform and renewed public confidence.

A wartime broadcast reviewing Britain’s military position and appealing to the United States for weapons, equipment, shipping, and material support.

Lincoln’s argument that the United States could not remain permanently divided over slavery and would eventually become wholly free or wholly slave.

A declaration of solidarity with West Berlin, contrasting democratic freedom with communist rule and affirming Western commitment to the divided city.

An address on scientific education, the relationship between theory and practice, and the preparation needed to recognise useful discoveries.

A wartime address to Harrow School urging perseverance, measured judgement, and resistance to apparently overwhelming force during the Second World War.

A 1923 election speech remembered for Churchill’s warning against allowing criticism and opposition to distract from larger political objectives.

A farewell address to Massachusetts setting out Kennedy’s standards for public leadership as he prepared to assume the US presidency.

A wartime address reporting the Dunkirk evacuation while preparing Parliament and the British public for continued resistance against Nazi Germany.

A wartime address praising Britain’s civil defence services while urging continued vigilance, preparedness, and resistance to German bombing.