- the period from March 20 to June 28, 1815, between the arrival of Napoleon in Paris, after his escape from Elba, and his abdication after the battle of Waterloo.
- a special session of Congress from March 9, 1933 to June 16, 1933, called by President Franklin D. Roosevelt, in which important social legislation was enacted.
- the period between Napoleon Bonaparte's arrival in Paris from Elba on March 20, 1815, and his abdication on June 29, 1815
