The first Christmas stamp was issued in 1961 according to the postal service's website, and they have continued with them ever since. http://www.usps.com/news/2002/philatelic/sr02_078.htm
States do not issue postage stamps. The U.S. Postal Service is an agency that operates in the service of the national government, just like the currency (money).
Are you referring to either a FDOI or FDC? FDOI - First Day of Issue, first day of sale for a specific stamp issue. FDC - First Day Cover, stamp on envelope postmarked on the first day of issuing at a city designated by the postal authority.
Austria
In 2001, the USPS issued its only Thanksgiving stamp.
US states do not issue postage stamps. The US post office issued their first Christmas stamp in 1962. Canada issued the first stamp referred to as a Christmas Stamp. It was the map issue of 1898 and said XMAS 1898 on the stamp.
Not sure what you may have, as the US did not issue a Christmas Stamp in the year 2000.
{| |- | Scott Number 1205. The stamp was issued for the Christman season in 1962. It pictured a wreath and some candles. There have been Seasonal issues ever since, usually one the has a religious them and one that has a holiday theme. |}
1964
The United Kingdom was the first country in the world to issue postal orders on January 1, 1881. These orders were from the president of the Birmingham chamber of commerce, which was to enable the poor to buy goods.
Canada issued the first stamp referred to as a Christmas Stamp. It was the map issue of 1898 and said XMAS 1898 on the stamp.
Mail may not be delivered to your home for several reasons, including incorrect or missing address information, delivery service interruptions due to weather conditions, or logistical issues within the postal service. Additionally, if your mailbox is obstructed or damaged, or if there are unpaid postal fees, deliveries can be halted. It's also possible that there's a temporary hold on your mail due to a request you've made or an issue with your local postal carrier. Checking with your postal service can help clarify the specific cause.