The Netherlands issued a stamp and FDC on 400th Anniversary of National Flag on 04 Jul 1972. The Flag originated under William Prince of Orange in 1572. The Stamps were issued in two values 20c on 04 Jul 1972 and 25c on 01 Nov 1972.
Operation Badr 1973 was the code name for Egyptian Military Operation to cross the Suez Canal and seize the Bar-Lev line of fortifications on 06 Oct 1973. In conjunction with Syrian attack on Golan Heights, this marked the start of Yom Kippur War. This Suez Crossing surprised the Israelis and is one of the most read and most famous battles ever fought.
Egypt issued an Imperf Miniature Sheet on 06 Oct 1998 to mark 25th Anniversary of Suez Canal Crossing.