The United Nations Security Council has the lead responsibility for deciding that an act of aggression has taken place.

VOA: special.2010.06.21

But since then, Lollapalooza has taken place every year except for a five-year break.

VOA: special.2009.06.08

But what is unusual is that it has taken place more than 1,900 kilometers east of the African coast.

VOA: standard.2010.04.20

"The real issue is what happens now," "The Secretary made clear that given that this has taken place, now is the time for dialogue;

VOA: standard.2009.09.22

Your committee is concerned that in not one single case of a trial that has taken place to date, have they actually been charged with a terrorist act.

VOA: standard.2009.04.09

The event has not taken place here since nineteen ninety because of restrictions against visitors with H.I.V.

VOA: special.2009.12.02