diff --git a/flags/us-betsy_ross.svg b/flags/us-betsy_ross.svg
new file mode 100644
index 0000000..bde8cb5
--- /dev/null
+++ b/flags/us-betsy_ross.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><mask id="a"><circle cx="256" cy="256" r="256" fill="#fff"/></mask><g mask="url(#a)"><path fill="#d80027" d="M312 0h200v512H0V273Z"/><path fill="#eee" d="M280 41v39h232V41Zm0 78v39h232v-39zm0 78v39h232v-39ZM0 275v39h512v-39H312l-156-64Zm0 78v39h512v-39zm0 78v39h512v-39z"/><path fill="#0052b4" d="M0 0h312v275H0Z"/><path fill="#eee" d="m260 176 2 17-15 6 16 4 1 16 9-14 16 3-11-12 8-14-15 7zm-144 0-11 12-15-6 8 14-11 12 17-3 8 14 1-16 16-4-15-6zm173-47-10 13-15-5 9 13-9 13 15-5 10 13v-16l15-5-15-5zm-201 0v16l-16 5 16 5v16l9-13 16 5-10-13 10-13-16 5zm177-48-2 16-16 4 15 6-2 17 11-12 15 6-8-14 11-12-16 3zm-153 0-8 14-17-3 11 12-8 14 15-6 11 12-2-17 15-6-16-4zm134-32-12 11-14-8 7 15-13 11 17-2 6 15 4-16 16-1-14-8zm-116 0 3 16-14 9 16 1 4 16 7-15 16 2-12-11 6-15-14 8zm58-15-5 15h-16l13 10-5 15 13-9 13 9-5-15 13-10h-16zm58 217-12-11-14 8 7-15-13-11 17 2 6-15 4 16 16 1-14 8zm-116 0 3-16-14-9 16-1 4-16 7 15 16-2-12 11 6 15-14-8zm58 15-5-15h-16l13-10-5-15 13 9 13-9-5 15 13 10h-16z"/></g></svg>
\ No newline at end of file
diff --git a/flags/us-confederate_battle.svg b/flags/us-confederate_battle.svg
new file mode 100644
index 0000000..85a9e9a
--- /dev/null
+++ b/flags/us-confederate_battle.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><mask id="a"><circle cx="256" cy="256" r="256" fill="#fff"/></mask><g mask="url(#a)"><path fill="#d80027" d="M0 68 68 0h376l68 68v376l-68 68H68L0 444Z"/><path fill="#eee" d="M0 50v18l188 188L0 444v18l50 50h18l188-188 188 188h18l50-50v-18L324 256 512 68V50L462 0h-18L256 188 68 0H50Z"/><path fill="#0052b4" d="M0 0v50l206 206L0 462v50h50l206-206 206 206h50v-50L306 256 512 50V0h-50L256 206 50 0H0z"/><path fill="#eee" d="m307 274 19 57-49-35h60l-48 35zm-51-51 19 57-49-35h60l-48 35zm103 103 19 57-49-35h60l-48 35zm51 51 19 57-49-35h60l-48 35zM153 120l19 57-49-35h60l-48 35zm-51-51 19 57-49-35h60l-48 35zm103 103 19 57-49-35h60l-48 35zm0 102-18 57 48-35h-60l49 35zm-52 52-18 57 48-35h-60l49 35zm-51 51-18 57 48-35H72l49 35zm257-257-18 57 48-35h-60l49 35zm51-51-18 57 48-35h-60l49 35zM307 172l-18 57 48-35h-60l49 35z"/></g></svg>
\ No newline at end of file
diff --git a/gallery.md b/gallery.md
index f678f45..bc8ad53 100644
--- a/gallery.md
+++ b/gallery.md
@@ -376,6 +376,8 @@
   <div><img src="flags/us-ri.svg" width="96"/><p>Rhode Island (<code>us-ri</code>)</p></div>
   <div><img src="flags/us-tn.svg" width="96"/><p>Tennessee (<code>us-tn</code>)</p></div>
   <div><img src="flags/us-tx.svg" width="96"/><p>Texas (<code>us-tx</code>)</p></div>
+  <div><img src="flags/us-betsy_ross.svg" width="96"/><p>Betsy Ross</p></div>
+  <div><img src="flags/us-confederate_battle.svg" width="96"/><p>Confederate battle</p></div>
   <div><img src="flags/um.svg" width="96"/><p>United States Minor Outlying Islands (<code>um</code>)</p></div>
   <div><img src="flags/uy.svg" width="96"/><p>Uruguay (<code>uy</code>)</p></div>
   <div><img src="flags/uz.svg" width="96"/><p>Uzbekistan (<code>uz</code>)</p></div>