Seals & Crofts' "Summer Breeze" certified gold 1972

Summer Breeze, released by Seals and Crofts August 1972, was certified gold December 14, 1972.  It reached No. 6 on the Billboard Hot 100. It was described by Bruce Eder of AllMusic as "one of those relentlessly appealing 1970s harmony-rock anthems...appropriately ubiquitous on the radio and in the memory". 

Chang'e 3, Chinese spacecraft, lands on the moon 2013

Chang'e 3, the Chinese lunar explorer, landed on the moon, December 14, 2013. The lander is equipped with a radioisotope heater unit, a telescope to observe galaxies and other celestial bodies, an extreme ultraviolet camera, and soil probe.

Unfortunately, the rover Yutu experienced a "mechanical control abnormality" before it could leave the lander.  Although it could transmit data, it ceased to transmit in March 2015.