Today is World Laughter Day
Brought to you by the Laughter Arts & Sciences Foundation. 
Their mission is to create, support, and promote education, training, research, and public awareness of the value and importance of laughter; to enhance the contribution of science and the arts to the understanding and appreciation of laughter; to support and create programs that capitalize on laughter to improve human relations, peace, and harmony in the world.
Laughterfoundation.org