Tag der Deutschen Einheit

Etymology
lit. 'Day of German unity'.

Proper noun

 * , the national holiday of the Federal Republic of Germany
 * 1)  17 June, the anniversary of the
 * 2)  3 October, the anniversary of  in 1990

Usage notes

 * The official form had a lower-case d until 1990 and has had an upper-case D since. In non-official practice, however, both forms have been used indiscriminately.