diff --git a/evennia/accounts/accounts.py b/evennia/accounts/accounts.py
index 397ea287b6..8986d18473 100644
--- a/evennia/accounts/accounts.py
+++ b/evennia/accounts/accounts.py
@@ -275,11 +275,11 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
             raise RuntimeError("Session not found")
         if self.get_puppet(session) == obj:
             # already puppeting this object
-            self.msg("You are already puppeting this object.")
+            self.msg(_("You are already puppeting this object."))
             return
         if not obj.access(self, "puppet"):
             # no access
-            self.msg(f"You don't have permission to puppet '{obj.key}'.")
+            self.msg(_("You don't have permission to puppet '{key}'.").format(key=obj.key))
             return
         if obj.account:
             # object already puppeted
@@ -295,12 +295,12 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
                     else:
                         txt1 = f"Taking over |c{obj.name}|n from another of your sessions."
                         txt2 = f"|c{obj.name}|n|R is now acted from another of your sessions.|n"
-                        self.msg(txt1, session=session)
-                        self.msg(txt2, session=obj.sessions.all())
+                        self.msg(_(txt1), session=session)
+                        self.msg(_(txt2), session=obj.sessions.all())
                         self.unpuppet_object(obj.sessions.get())
             elif obj.account.is_connected:
                 # controlled by another account
-                self.msg(f"|c{obj.key}|R is already puppeted by another Account.")
+                self.msg(_("|c{key}|R is already puppeted by another Account.").format(key=obj.key))
                 return
 
         # do the puppeting
@@ -496,7 +496,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
 
         # See if authentication is currently being throttled
         if ip and LOGIN_THROTTLE.check(ip):
-            errors.append("Too many login failures; please try again in a few minutes.")
+            errors.append(_("Too many login failures; please try again in a few minutes."))
 
             # With throttle active, do not log continued hits-- it is a
             # waste of storage and can be abused to make your logs harder to
@@ -508,8 +508,8 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
         if banned:
             # this is a banned IP or name!
             errors.append(
-                "|rYou have been banned and cannot continue from here."
-                "\nIf you feel this ban is in error, please email an admin.|x"
+                _("|rYou have been banned and cannot continue from here."
+                "\nIf you feel this ban is in error, please email an admin.|x")
             )
             logger.log_sec(f"Authentication Denied (Banned): {username} (IP: {ip}).")
             LOGIN_THROTTLE.update(ip, "Too many sightings of banned artifact.")
@@ -519,7 +519,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
         account = authenticate(username=username, password=password)
         if not account:
             # User-facing message
-            errors.append("Username and/or password is incorrect.")
+            errors.append(_("Username and/or password is incorrect."))
 
             # Log auth failures while throttle is inactive
             logger.log_sec(f"Authentication Failure: {username} (IP: {ip}).")
@@ -688,7 +688,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
         ip = kwargs.get("ip", "")
         if ip and CREATION_THROTTLE.check(ip):
             errors.append(
-                "You are creating too many accounts. Please log into an existing account."
+                _("You are creating too many accounts. Please log into an existing account.")
             )
             return None, errors
 
@@ -717,8 +717,8 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
         if banned:
             # this is a banned IP or name!
             string = (
-                "|rYou have been banned and cannot continue from here."
-                "\nIf you feel this ban is in error, please email an admin.|x"
+                _("|rYou have been banned and cannot continue from here."
+                "\nIf you feel this ban is in error, please email an admin.|x")
             )
             errors.append(string)
             return None, errors
@@ -733,7 +733,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
 
             except Exception as e:
                 errors.append(
-                    "There was an error creating the Account. If this problem persists, contact an admin."
+                    _("There was an error creating the Account. If this problem persists, contact an admin.")
                 )
                 logger.log_trace()
                 return None, errors
@@ -785,7 +785,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
             # We are in the middle between logged in and -not, so we have
             # to handle tracebacks ourselves at this point. If we don't,
             # we won't see any errors at all.
-            errors.append("An error occurred. Please e-mail an admin if the problem persists.")
+            errors.append(_("An error occurred. Please e-mail an admin if the problem persists."))
             logger.log_trace()
 
         # Update the throttle to indicate a new account was created from this IP
@@ -1253,21 +1253,21 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
         if session:
             session.msg(logged_in={})
 
-        self._send_to_connect_channel(f"|G{self.key} connected|n")
+        self._send_to_connect_channel(_("|G{key} connected|n").format(key=self.key))
         if _MULTISESSION_MODE == 0:
             # in this mode we should have only one character available. We
             # try to auto-connect to our last conneted object, if any
             try:
                 self.puppet_object(session, self.db._last_puppet)
             except RuntimeError:
-                self.msg("The Character does not exist.")
+                self.msg(_("The Character does not exist."))
                 return
         elif _MULTISESSION_MODE == 1:
             # in this mode all sessions connect to the same puppet.
             try:
                 self.puppet_object(session, self.db._last_puppet)
             except RuntimeError:
-                self.msg("The Character does not exist.")
+                self.msg(_("The Character does not exist."))
                 return
         elif _MULTISESSION_MODE in (2, 3):
             # In this mode we by default end up at a character selection
@@ -1305,7 +1305,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
 
         """
         reason = f" ({reason if reason else ''})"
-        self._send_to_connect_channel(f"|R{self.key} disconnected{reason}|n")
+        self._send_to_connect_channel(_("|R{key} disconnected{reason}|n").format(key=self.key, reason=reason))
 
     def at_post_disconnect(self, **kwargs):
         """
@@ -1411,7 +1411,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
             if hasattr(target, "return_appearance"):
                 return target.return_appearance(self)
             else:
-                return "{} has no in-game appearance.".format(target)
+                return _("{target} has no in-game appearance.").format(target=target)
         else:
             # list of targets - make list to disconnect from db
             characters = list(tar for tar in target if tar) if target else []
@@ -1454,7 +1454,7 @@ class DefaultAccount(AccountDB, metaclass=TypeclassBase):
             if is_su or len(characters) < charmax:
                 if not characters:
                     result.append(
-                        "\n\n You don't have any characters yet. See |whelp @charcreate|n for creating one."
+                        _("\n\n You don't have any characters yet. See |whelp @charcreate|n for creating one.")
                     )
                 else:
                     result.append("\n |w@charcreate <name> [=description]|n - create new character")
@@ -1534,7 +1534,7 @@ class DefaultGuest(DefaultAccount):
 
         # check if guests are enabled.
         if not settings.GUEST_ENABLED:
-            errors.append("Guest accounts are not enabled on this server.")
+            errors.append(_("Guest accounts are not enabled on this server."))
             return None, errors
 
         try:
@@ -1544,7 +1544,7 @@ class DefaultGuest(DefaultAccount):
                     username = name
                     break
             if not username:
-                errors.append("All guest accounts are in use. Please try again later.")
+                errors.append(_("All guest accounts are in use. Please try again later."))
                 if ip:
                     LOGIN_THROTTLE.update(ip, "Too many requests for Guest access.")
                 return None, errors
@@ -1572,7 +1572,7 @@ class DefaultGuest(DefaultAccount):
             # We are in the middle between logged in and -not, so we have
             # to handle tracebacks ourselves at this point. If we don't,
             # we won't see any errors at all.
-            errors.append("An error occurred. Please e-mail an admin if the problem persists.")
+            errors.append(_("An error occurred. Please e-mail an admin if the problem persists."))
             logger.log_trace()
             return None, errors
 
@@ -1589,7 +1589,7 @@ class DefaultGuest(DefaultAccount):
                 overriding the call (unused by default).
 
         """
-        self._send_to_connect_channel(f"|G{self.key} connected|n")
+        self._send_to_connect_channel(_("|G{key} connected|n").format(key=self.key))
         self.puppet_object(session, self.db._last_puppet)
 
     def at_server_shutdown(self):
diff --git a/evennia/accounts/bots.py b/evennia/accounts/bots.py
index 455e10b629..6c6a40d0db 100644
--- a/evennia/accounts/bots.py
+++ b/evennia/accounts/bots.py
@@ -10,6 +10,7 @@ from evennia.accounts.accounts import DefaultAccount
 from evennia.scripts.scripts import DefaultScript
 from evennia.utils import search
 from evennia.utils import utils
+from django.utils.translation import gettext as _
 
 _IDLE_TIMEOUT = settings.IDLE_TIMEOUT
 
@@ -328,7 +329,7 @@ class IRCBot(Bot):
                 chstr = f"{self.db.irc_channel} ({self.db.irc_network}:{self.db.irc_port})"
                 nicklist = ", ".join(sorted(kwargs["nicklist"], key=lambda n: n.lower()))
                 for obj in self._nicklist_callers:
-                    obj.msg(f"Nicks at {chstr}:\n {nicklist}")
+                    obj.msg(_("Nicks at {chstr}:\n {nicklist}").format(chstr=chstr, nicklist=nicklist))
                 self._nicklist_callers = []
             return
 
@@ -337,7 +338,7 @@ class IRCBot(Bot):
             if hasattr(self, "_ping_callers") and self._ping_callers:
                 chstr = f"{self.db.irc_channel} ({self.db.irc_network}:{self.db.irc_port})"
                 for obj in self._ping_callers:
-                    obj.msg(f"IRC ping return from {chstr} took {kwargs['timing']}s.")
+                    obj.msg(_("IRC ping return from {chstr} took {time}s.").format(chstr=chstr, time=kwargs['timing']))
                 self._ping_callers = []
             return
 
diff --git a/evennia/commands/cmdhandler.py b/evennia/commands/cmdhandler.py
index 6f8f247a72..a0d9be8842 100644
--- a/evennia/commands/cmdhandler.py
+++ b/evennia/commands/cmdhandler.py
@@ -743,7 +743,7 @@ def cmdhandler(
                         sysarg = raw_string
                     else:
                         # fallback to default error text
-                        sysarg = _("Command '%s' is not available.") % raw_string
+                        sysarg = _("Command '{command}' is not available.").format(command=raw_string)
                         suggestions = string_suggestions(
                             raw_string,
                             cmdset.get_all_cmd_keys_and_aliases(caller),
@@ -751,9 +751,7 @@ def cmdhandler(
                             maxnum=3,
                         )
                         if suggestions:
-                            sysarg += _(" Maybe you meant %s?") % utils.list_to_string(
-                                suggestions, _("or"), addquote=True
-                            )
+                            sysarg += _(" Maybe you meant {command}?").format(command=utils.list_to_string(suggestions, _("or"), addquote=True))
                         else:
                             sysarg += _(' Type "help" for help.')
                     raise ExecSystemCommand(syscmd, sysarg)
diff --git a/evennia/commands/cmdsethandler.py b/evennia/commands/cmdsethandler.py
index 395c9c2ba3..4a746df33e 100644
--- a/evennia/commands/cmdsethandler.py
+++ b/evennia/commands/cmdsethandler.py
@@ -184,7 +184,7 @@ def import_cmdset(path, cmdsetobj, emit_to_obj=None, no_logging=False):
                         raise exc.with_traceback(tb)
                     else:
                         # try next suggested path
-                        errstring += _("\n(Unsuccessfully tried '%s')." % python_path)
+                        errstring += _("\n(Unsuccessfully tried '{path}').").format(path=python_path)
                         continue
                 try:
                     cmdsetclass = getattr(module, classname)
@@ -194,7 +194,7 @@ def import_cmdset(path, cmdsetobj, emit_to_obj=None, no_logging=False):
                         dum, dum, tb = sys.exc_info()
                         raise exc.with_traceback(tb)
                     else:
-                        errstring += _("\n(Unsuccessfully tried '%s')." % python_path)
+                        errstring += _("\n(Unsuccessfully tried '{path}').").format(path=python_path)
                         continue
                 _CACHED_CMDSETS[python_path] = cmdsetclass
 
diff --git a/evennia/help/manager.py b/evennia/help/manager.py
index 3459efe951..646758d202 100644
--- a/evennia/help/manager.py
+++ b/evennia/help/manager.py
@@ -131,7 +131,7 @@ class HelpEntryManager(TypedObjectManager):
         for topic in topics:
             topic.help_category = default_category
             topic.save()
-        string = "Help database moved to category %s" % default_category
+        string = _("Help database moved to category {default_category}").format(default_category=default_category)
         logger.log_info(string)
 
     def search_help(self, ostring, help_category=None):
diff --git a/evennia/locks/lockhandler.py b/evennia/locks/lockhandler.py
index ac8c85abc8..0f96b1d6a7 100644
--- a/evennia/locks/lockhandler.py
+++ b/evennia/locks/lockhandler.py
@@ -246,7 +246,7 @@ class LockHandler(object):
                 evalstring = " ".join(_RE_OK.findall(evalstring))
                 eval(evalstring % tuple(True for func in funclist), {}, {})
             except Exception:
-                elist.append(_("Lock: definition '%s' has syntax errors.") % raw_lockstring)
+                elist.append(_("Lock: definition '{lock_string}' has syntax errors.").format(lock_string=raw_lockstring))
                 continue
             if access_type in locks:
                 duplicates += 1
diff --git a/evennia/objects/admin.py b/evennia/objects/admin.py
index 49bec928c3..5e18e8e0a4 100644
--- a/evennia/objects/admin.py
+++ b/evennia/objects/admin.py
@@ -8,7 +8,7 @@ from django.contrib import admin
 from evennia.typeclasses.admin import AttributeInline, TagInline
 from evennia.objects.models import ObjectDB
 from django.contrib.admin.utils import flatten_fieldsets
-
+from django.utils.translation import gettext as _
 
 class ObjectAttributeInline(AttributeInline):
     """
@@ -61,7 +61,7 @@ class ObjectCreateForm(forms.ModelForm):
         required=False,
         widget=forms.TextInput(attrs={"size": "78"}),
         help_text="Most non-character objects don't need a cmdset"
-        " and can leave this field blank.",
+        " and can leave this field blank."
     )
     raw_id_fields = ("db_destination", "db_location", "db_home")
 
diff --git a/evennia/objects/objects.py b/evennia/objects/objects.py
index de9d09abae..211e0f9fc3 100644
--- a/evennia/objects/objects.py
+++ b/evennia/objects/objects.py
@@ -1055,7 +1055,7 @@ class DefaultObject(ObjectDB, metaclass=TypeclassBase):
         # See if we need to kick the account off.
 
         for session in self.sessions.all():
-            session.msg(_("Your character %s has been destroyed.") % self.key)
+            session.msg(_("Your character {key} has been destroyed.").format(key=self.key))
             # no need to disconnect, Account just jumps to OOC mode.
         # sever the connection (important!)
         if self.account:
diff --git a/evennia/utils/utils.py b/evennia/utils/utils.py
index cc191fdd53..33da9c31cb 100644
--- a/evennia/utils/utils.py
+++ b/evennia/utils/utils.py
@@ -1916,7 +1916,7 @@ def at_search_result(matches, caller, query="", quiet=False, **kwargs):
         if multimatch_string:
             error = "%s\n" % multimatch_string
         else:
-            error = _("More than one match for '%s' (please narrow target):\n" % query)
+            error = _("More than one match for '{query}' (please narrow target):\n").format(query=query)
 
         for num, result in enumerate(matches):
             # we need to consider Commands, where .aliases is a list
diff --git a/evennia/utils/validatorfuncs.py b/evennia/utils/validatorfuncs.py
index bca25874cb..e49bb716a8 100644
--- a/evennia/utils/validatorfuncs.py
+++ b/evennia/utils/validatorfuncs.py
@@ -15,6 +15,7 @@ from django.core.exceptions import ValidationError as _error
 from django.core.validators import validate_email as _val_email
 from evennia.utils.ansi import strip_ansi
 from evennia.utils.utils import string_partial_matching as _partial
+from django.utils.translation import gettext as _
 
 _TZ_DICT = {str(tz): _pytz.timezone(tz) for tz in _pytz.common_timezones}
 
@@ -58,7 +59,7 @@ def datetime(entry, option_key="Datetime", account=None, from_tz=None, **kwargs)
 
     """
     if not entry:
-        raise ValueError(f"No {option_key} entered!")
+        raise ValueError(_("No {option_key} entered!").format(option_key=option_key))
     if not from_tz:
         from_tz = _pytz.UTC
         if account:
@@ -66,7 +67,7 @@ def datetime(entry, option_key="Datetime", account=None, from_tz=None, **kwargs)
             try:
                 from_tz = _pytz.timezone(acct_tz)
             except Exception as err:
-                raise ValueError(f"Timezone string '{acct_tz}' is not a valid timezone ({err})")
+                raise ValueError(_("Timezone string '{acct_tz}' is not a valid timezone ({err})").format(acct_tz=acct_tz, err=err))
         else:
             from_tz = _pytz.UTC