Meaning of flag day | Babel Free

Definitions

1. A day commemorating the adoption of a national flag.
   Australia
2. September 3, for the first flying of the Australian flag in 1901, Australian National Flag Day.
   Australia
3. A day on which a registered charity raises money, usually by selling small lapel flags.
   British, Ireland
4. February 15, for the inauguration of the Canadian flag in 1965, National Flag of Canada Day.
   Canada
5. A day on which a registered charity raises money, usually by selling small stickers.
   Hong-Kong
6. June 14, for the adoption of the US flag in 1777.
   US
7. A day designated for changing to an incompatible system.
8. A change which is neither forward nor backward compatible.

CEFR level