Reign: The Conqueror

Air raid sirens will go off across Greece on Tuesday as part of an annual  large-scale military and civil defense exercise.

The will sound every 60 seconds, starting at 11 a.m. and ending at 11.05 a.m.

Greek soldiers take part in the annual Parmenion large-scale military and civil defense exercise of the Hellenic National Defense General Staff, which began on Friday. As part of the exercise, air raid sirens will go off across Greece on Tuesday every 60 seconds, starting at 11 a.m.  and ending at 11.05 a.m.

Civil defense sirens are expected to go off around Greece Tuesday as part of an annual military and public warning exercise dubbed Parmenion after the Macedonian general who served Philip II and Alexander the Great.

Civil defense sirens are scheduled to go off across Greece Wednesday as part of the annual military and public defense exercise dubbed Parmenion, after the Macedonian general of Philip II and Alexander the Great.

The air-raid sirens will sound at 60-second intervals, starting at 11 a.m. and lasting until 11.05 a.m.

"Alexander the Great", the musical rock opera composed by Kostas Athrydis, is presented by the National Theater of Northern Greece at the Megaron Mousikis (Athens Concert Hall) from January 27 through to March 1, 2015.

Civil defense sirens are expected to go off all over Greece on Wednesday as part of the annual military and public warning exercise dubbed Parmenion after the Macedonian general of Philip II and Alexander the Great.