4 Trade Fairs in National Harbor from April 2026
Exhibition calendar with currently 4 trade fairs from April 2026 in National Harbor. The most common types of trade fairs in National Harbor are Military Technology, Arms and Subcontracting.
In addition to the current trade fairs, Sights & Attractions in National Harbor can also be visited.
20. - 22. April 2026
26. - 30. April 2026
SPIE Defense + Security
Trade fair for the latest innovations and technologies in the field of sensor technology and optical systems
professional visitors only
05. - 07. April 2027
03. - 05. April 2028
Schedule of trade fairs with current 4 trade fairs in National Harbor. Of course also other interesting trade fairs can take place in National Harbor, which are not yet known to us. If you know trade fairs in National Harbor that are not listed, you can transmit them to us via
announce new trade fair Our team will update them in a timely manner to promote these fairs as well. Trade fairs with expired dates or trade fair dates yet unknown to us can be found at the end of the above list, labelled with the button "report new date of event".