1st Baptist churches are not a separate denomination they are the first Baptist church that was established in a certain town or city. Most 1st Baptist churches are southern Baptist (although outside of the south this is not always true). As Southern Baptist churches most 1st Baptist church believe in the basic tenants of the Southern Baptist Convention as laid out in the Baptist Faith and Message.
Continental Baptist Churches was created in 1983.
Brotherhood of Baptist Churches was created in 1981.
"Evangelical" is a general term that includes many churches; basically, most Christian churches that are not Catholic. I believe it includes baptists.
Association of Reformed Baptist Churches of America was created in 1997.
As far as I know none do. Open Commiunion is one of the core beliefs of Baptist churches. Since every Baptist Church is free to operate the way it see's fit however, there are probably at least one or two exceptions to this rule.
No they are not.
First of all, each baptist congregation is autonomous and can make their own decisions. Most baptist churches shy away from icons because they can be construed as idols. The only symbol that I have seen universally accepted in baptist churches is an "empty" cross.
Wisconsin Fellowship of Baptist Churches was created in 1950.
Association of Baptist Churches in Ireland was created in 1862.
Convention of Philippine Baptist Churches was created in 1935.
Union of Baptist Churches in Serbia was created in 1992.
Association of Baptist Churches of Chad was created in 1963.