1 The meniscus is a rubbery C-shaped disc that cushions your knee and acts as a shock-absorber. 2  It also helps spread weight evenly so your bones donât rub together. 3  Tears to the meniscus are often caused by sudden twisting or other things you might do while playing sports.
Ayatollah Khomeini died in 1989 just months after firing his heir apparent, leaving no designated replacement. With the help of Rafsanjani, Khamenei emerged as the default choice to become the new supreme leader.
Shah flees Iran. Faced with an army mutiny and violent demonstrations against his rule, Mohammad Reza Shah Pahlavi, the leader of Iran since 1941, is forced to flee the country. Fourteen days later, the Ayatollah Ruhollah Khomeini, the spiritual leader of the Islamic revolution, returned after 15 years of exile and took control of Iran.