The move is a response to France’s action against Islamic State militants in Iraq.
A statement said the target in northeast Iraq was totally destroyed.
But the EU held out the prospect of cancelling some or all of them next month.
French President Francois Hollande will be joined at the commemorations by 20 foreign leaders.
The European Union is also understood to be sending 1,000 troops to support peacekeeping.
Reports of the president’s affair threaten to undermine his plans to revive a stalled economy.