The Battle of the Lys was part of the 1918 German Operation Georgette offensive in Flanders during the First World War. Starting on 9 April 1918, the battle lasted until 29 April. 1918 was a common year starting on Tuesday (see link for calendar). ... This article is in need of attention. ... Ypres, 1917, in the vicinity of the Battle of Passchendaele. ... April 9 is the 99th day of the year in the Gregorian calendar (100th in leap years). ... 1918 was a common year starting on Tuesday (see link for calendar). ... April 29 is the 119th day of the year in the Gregorian calendar (120th in leap years). ...

The 2nd Portuguese Division, commanded by General Gomes da Costa, with approximately 20.000 men, loses about 300 officers and 7,000 men, killed, wounded and prisoners, resisting the shock of four German divisions, with 50.000 men of 6th German Army, commanded by General von Quast, in the German Offensive in Flanders.

References

• La Lys, 1918, Mendo Castro Henriques and António Rosas Leitão, Lisboa, Prefácio («Batalhas de Portugal»), 2001, ISBN 972-8563-49-3